136530035631 has 96 divisors (see below), whose sum is σ = 234896762880. Its totient is φ = 75512736000.

The previous prime is 136530035597. The next prime is 136530035647.

136530035631 is a `hidden beast` number, since 1 + 3 + 65 + 30 + 0 + 3 + 563 + 1 = 666.

136530035631 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 136530035631 - 2⁹ = 136530035119 is a prime.

It is a super-2 number, since 2×136530035631² (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 (136530035671) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7019586 + ... + 7039008.

It is an arithmetic number, because the mean of its divisors is an integer number (2446841280).

Almost surely, 2^136530035631 is an apocalyptic number.

136530035631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

136530035631 is a deficient number, since it is larger than the sum of its proper divisors (98366727249).

136530035631 is a wasteful number, since it uses less digits than its factorization.

136530035631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19597 (or 19594 counting only the distinct ones).

The product of its (nonzero) digits is 72900, while the sum is 36.

The spelling of 136530035631 in words is "one hundred thirty-six billion, five hundred thirty million, thirty-five thousand, six hundred thirty-one".