Search a number
-
+
136966607 = 977140191
BaseRepresentation
bin10000010100111…
…11000111001111
3100112201121212022
420022133013033
5240030412412
621331400355
73252124361
oct1012370717
9315647768
10136966607
1170350048
1239a530bb
13224b773b
1414294d31
15c057a72
hex829f1cf

136966607 has 4 divisors (see below), whose sum is σ = 137107776. Its totient is φ = 136825440.

The previous prime is 136966561. The next prime is 136966631. The reversal of 136966607 is 706669631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 706669631 = 1913699841.

It is a cyclic number.

It is not a de Polignac number, because 136966607 - 214 = 136950223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136966667) 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, 69119 + ... + 71072.

It is an arithmetic number, because the mean of its divisors is an integer number (34276944).

Almost surely, 2136966607 is an apocalyptic number.

136966607 is a deficient number, since it is larger than the sum of its proper divisors (141169).

136966607 is an equidigital number, since it uses as much as digits as its factorization.

136966607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141168.

The product of its (nonzero) digits is 244944, while the sum is 44.

The square root of 136966607 is about 11703.2733455218. The cubic root of 136966607 is about 515.4717855988.

It can be divided in two parts, 1369 and 66607, that added together give a palindrome (67976).

The spelling of 136966607 in words is "one hundred thirty-six million, nine hundred sixty-six thousand, six hundred seven".

Divisors: 1 977 140191 136966607