132526781631 has 12 divisors (see below), whose sum is σ = 191454906552. Its totient is φ = 88338572496.

The previous prime is 132526781581. The next prime is 132526781641. The reversal of 132526781631 is 136187625231.

It is a happy number.

132526781631 is a `hidden beast` number, since 1 + 3 + 2 + 5 + 2 + 6 + 7 + 8 + 1 + 631 = 666.

It is not a de Polignac number, because 132526781631 - 2¹⁵ = 132526748863 is a prime.

It is a super-2 number, since 2×132526781631² (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 (132526781641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 984516 + ... + 1111001.

It is an arithmetic number, because the mean of its divisors is an integer number (15954575546).

Almost surely, 2^132526781631 is an apocalyptic number.

132526781631 is a deficient number, since it is larger than the sum of its proper divisors (58928124921).

132526781631 is a wasteful number, since it uses less digits than its factorization.

132526781631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102550 (or 2102547 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The spelling of 132526781631 in words is "one hundred thirty-two billion, five hundred twenty-six million, seven hundred eighty-one thousand, six hundred thirty-one".