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132140213 = 612166233
BaseRepresentation
bin1111110000001…
…00110010110101
3100012122102021222
413320010302311
5232311441323
621040120125
73163113302
oct770046265
9305572258
10132140213
1168653997
1238306045
13214b799a
141379a0a9
15b9029c8
hex7e04cb5

132140213 has 4 divisors (see below), whose sum is σ = 134306508. Its totient is φ = 129973920.

The previous prime is 132140207. The next prime is 132140237. The reversal of 132140213 is 312041231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312041231 = 793949889.

It can be written as a sum of positive squares in 2 ways, for example, as 20584369 + 111555844 = 4537^2 + 10562^2 .

It is not a de Polignac number, because 132140213 - 28 = 132139957 is a prime.

It is a super-2 number, since 2×1321402132 = 34922071783370738, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 132140191 and 132140200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132140243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1083056 + ... + 1083177.

It is an arithmetic number, because the mean of its divisors is an integer number (33576627).

Almost surely, 2132140213 is an apocalyptic number.

It is an amenable number.

132140213 is a deficient number, since it is larger than the sum of its proper divisors (2166295).

132140213 is an equidigital number, since it uses as much as digits as its factorization.

132140213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2166294.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 132140213 is about 11495.2256611169. The cubic root of 132140213 is about 509.3445546333.

Adding to 132140213 its reverse (312041231), we get a palindrome (444181444).

The spelling of 132140213 in words is "one hundred thirty-two million, one hundred forty thousand, two hundred thirteen".

Divisors: 1 61 2166233 132140213