23516140136 has 16 divisors (see below), whose sum is σ = 45613203300. Its totient is φ = 11352619264.

The previous prime is 23516140133. The next prime is 23516140147. The reversal of 23516140136 is 63104161532.

It can be written as a sum of positive squares in 2 ways, for example, as 22558237636 + 957902500 = 150194^2 + 30950^2 .

It is not an unprimeable number, because it can be changed into a prime (23516140133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50681105 + ... + 50681568.

Almost surely, 2^23516140136 is an apocalyptic number.

It is an amenable number.

23516140136 is a deficient number, since it is larger than the sum of its proper divisors (22097063164).

23516140136 is a wasteful number, since it uses less digits than its factorization.

23516140136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101362708 (or 101362704 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 23516140136 in words is "twenty-three billion, five hundred sixteen million, one hundred forty thousand, one hundred thirty-six".