136308735 has 12 divisors (see below), whose sum is σ = 236268552. Its totient is φ = 72697968.

The previous prime is 136308701. The next prime is 136308761. The reversal of 136308735 is 537803631.

136308735 is a `hidden beast` number, since 13 + 630 + 8 + 7 + 3 + 5 = 666.

It is not a de Polignac number, because 136308735 - 2⁷ = 136308607 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 136308735.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1514497 + ... + 1514586.

It is an arithmetic number, because the mean of its divisors is an integer number (19689046).

Almost surely, 2^136308735 is an apocalyptic number.

136308735 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

136308735 is a deficient number, since it is larger than the sum of its proper divisors (99959817).

136308735 is a wasteful number, since it uses less digits than its factorization.

136308735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3029094 (or 3029091 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 136308735 is about 11675.1331898184. The cubic root of 136308735 is about 514.6451635598.

The spelling of 136308735 in words is "one hundred thirty-six million, three hundred eight thousand, seven hundred thirty-five".