136906308870 has 32 divisors (see below), whose sum is σ = 337455553248. Its totient is φ = 35521636608.

The previous prime is 136906308863. The next prime is 136906308871. The reversal of 136906308870 is 78803609631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136906308871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61668399 + ... + 61670618.

It is an arithmetic number, because the mean of its divisors is an integer number (10545486039).

Almost surely, 2^136906308870 is an apocalyptic number.

136906308870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136906308870 is an abundant number, since it is smaller than the sum of its proper divisors (200549244378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136906308870 is a wasteful number, since it uses less digits than its factorization.

136906308870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123339064.

The product of its (nonzero) digits is 1306368, while the sum is 51.

The spelling of 136906308870 in words is "one hundred thirty-six billion, nine hundred six million, three hundred eight thousand, eight hundred seventy".