136333333631 has 4 divisors (see below), whose sum is σ = 148727273064. Its totient is φ = 123939394200.

The previous prime is 136333333627. The next prime is 136333333699.

136333333631 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 136333333631 - 2² = 136333333627 is a prime.

It is a super-2 number, since 2×136333333631² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136333333621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6196969700 + ... + 6196969721.

It is an arithmetic number, because the mean of its divisors is an integer number (37181818266).

Almost surely, 2^136333333631 is an apocalyptic number.

136333333631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

136333333631 is a deficient number, since it is larger than the sum of its proper divisors (12393939433).

136333333631 is a wasteful number, since it uses less digits than its factorization.

136333333631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12393939432.

The product of its digits is 236196, while the sum is 38.

It can be divided in two parts, 136333 and 333631, that added together give a palindrome (469964).

The spelling of 136333333631 in words is "one hundred thirty-six billion, three hundred thirty-three million, three hundred thirty-three thousand, six hundred thirty-one".