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132340021 = 1129735683
BaseRepresentation
bin1111110001101…
…01100100110101
3100020000120101021
413320311210311
5232334340041
621044301141
73164604652
oct770654465
9306016337
10132340021
1168780020
12383a17b1
1321557908
141380cc29
15b941cd1
hex7e35935

132340021 has 16 divisors (see below), whose sum is σ = 151421760. Its totient is φ = 114549120.

The previous prime is 132340007. The next prime is 132340031. The reversal of 132340021 is 120043231.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 132340021 - 25 = 132339989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 132339977 and 132340004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132340031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20446 + ... + 26128.

It is an arithmetic number, because the mean of its divisors is an integer number (9463860).

Almost surely, 2132340021 is an apocalyptic number.

132340021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

132340021 is a deficient number, since it is larger than the sum of its proper divisors (19081739).

132340021 is a wasteful number, since it uses less digits than its factorization.

132340021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5796.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 132340021 is about 11503.9132907024. The cubic root of 132340021 is about 509.6011504159.

Adding to 132340021 its reverse (120043231), we get a palindrome (252383252).

The spelling of 132340021 in words is "one hundred thirty-two million, three hundred forty thousand, twenty-one".

Divisors: 1 11 29 73 319 803 2117 5683 23287 62513 164807 414859 1812877 4563449 12030911 132340021