236135272218131 has 16 divisors (see below), whose sum is σ = 279021232798560. Its totient is φ = 197010065809920.

The previous prime is 236135272218091. The next prime is 236135272218137. The reversal of 236135272218131 is 131812272531632.

236135272218131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-236135272218131 is a prime.

It is a super-2 number, since 2×236135272218131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (236135272218137) 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, 4772505926 + ... + 4772555403.

It is an arithmetic number, because the mean of its divisors is an integer number (17438827049910).

Almost surely, 2^{236135272218131} is an apocalyptic number.

236135272218131 is a deficient number, since it is larger than the sum of its proper divisors (42885960580429).

236135272218131 is a wasteful number, since it uses less digits than its factorization.

236135272218131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9545061526.

The product of its digits is 725760, while the sum is 47.

The spelling of 236135272218131 in words is "two hundred thirty-six trillion, one hundred thirty-five billion, two hundred seventy-two million, two hundred eighteen thousand, one hundred thirty-one".