136236632631 has 16 divisors (see below), whose sum is σ = 198807869568. Its totient is φ = 82298700000.

The previous prime is 136236632629. The next prime is 136236632641.

It is a happy number.

136236632631 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 136236632631 - 2¹ = 136236632629 is a prime.

It is a super-2 number, since 2×136236632631² (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 (136236632641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6713620 + ... + 6733881.

It is an arithmetic number, because the mean of its divisors is an integer number (12425491848).

Almost surely, 2^136236632631 is an apocalyptic number.

136236632631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

136236632631 is a deficient number, since it is larger than the sum of its proper divisors (62571236937).

136236632631 is a wasteful number, since it uses less digits than its factorization.

136236632631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13447822.

The product of its digits is 419904, while the sum is 42.

It can be divided in two parts, 136236 and 632631, that added together give a palindrome (768867).

The spelling of 136236632631 in words is "one hundred thirty-six billion, two hundred thirty-six million, six hundred thirty-two thousand, six hundred thirty-one".