136606716631 has 32 divisors (see below), whose sum is σ = 173545320960. Its totient is φ = 104436604800.

The previous prime is 136606716613. The next prime is 136606716643. The reversal of 136606716631 is 136617606631.

It is not a de Polignac number, because 136606716631 - 2¹¹ = 136606714583 is a prime.

It is a super-2 number, since 2×136606716631² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136606716611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1828080 + ... + 1901338.

It is an arithmetic number, because the mean of its divisors is an integer number (5423291280).

Almost surely, 2^136606716631 is an apocalyptic number.

136606716631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

136606716631 is a deficient number, since it is larger than the sum of its proper divisors (36938604329).

136606716631 is a wasteful number, since it uses less digits than its factorization.

136606716631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73735.

The product of its (nonzero) digits is 489888, while the sum is 46.

Subtracting 136606716631 from its reverse (136617606631), we obtain a square (10890000 = 3300²).

The spelling of 136606716631 in words is "one hundred thirty-six billion, six hundred six million, seven hundred sixteen thousand, six hundred thirty-one".