136752645231 has 6 divisors (see below), whose sum is σ = 197531598680. Its totient is φ = 91168430148.

The previous prime is 136752645229. The next prime is 136752645241. The reversal of 136752645231 is 132546257631.

136752645231 is a `hidden beast` number, since 1 + 3 + 67 + 5 + 2 + 64 + 523 + 1 = 666.

It is not a de Polignac number, because 136752645231 - 2¹ = 136752645229 is a prime.

It is a super-2 number, since 2×136752645231² (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 (136752645241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7597369171 + ... + 7597369188.

Almost surely, 2^136752645231 is an apocalyptic number.

136752645231 is a deficient number, since it is larger than the sum of its proper divisors (60778953449).

136752645231 is a wasteful number, since it uses less digits than its factorization.

136752645231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15194738365 (or 15194738362 counting only the distinct ones).

The product of its digits is 907200, while the sum is 45.

The spelling of 136752645231 in words is "one hundred thirty-six billion, seven hundred fifty-two million, six hundred forty-five thousand, two hundred thirty-one".