136734437631 has 32 divisors (see below), whose sum is σ = 210094202880. Its totient is φ = 78230296800.

The previous prime is 136734437573. The next prime is 136734437633.

136734437631 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 136734437631 - 2²⁵ = 136700883199 is a prime.

It is a super-2 number, since 2×136734437631² (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 (136734437633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 207855 + ... + 562736.

It is an arithmetic number, because the mean of its divisors is an integer number (6565443840).

Almost surely, 2^136734437631 is an apocalyptic number.

136734437631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

136734437631 is a deficient number, since it is larger than the sum of its proper divisors (73359765249).

136734437631 is a wasteful number, since it uses less digits than its factorization.

136734437631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770907.

The product of its digits is 2286144, while the sum is 48.

The spelling of 136734437631 in words is "one hundred thirty-six billion, seven hundred thirty-four million, four hundred thirty-seven thousand, six hundred thirty-one".