132649652521 has 27 divisors (see below), whose sum is σ = 145212356133. Its totient is φ = 121151147040.

The previous prime is 132649652459. The next prime is 132649652561. The reversal of 132649652521 is 125256946231.

The square root of 132649652521 is 364211.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 14643662121 + 118005990400 = 121011^2 + 343520^2 .

It is a de Polignac number, because none of the positive numbers 2^k-132649652521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132649652561) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 200679931 + ... + 200680591.

Almost surely, 2^132649652521 is an apocalyptic number.

132649652521 is the 364211-st square number.

132649652521 is the 182106-th centered octagonal number.

It is an amenable number.

132649652521 is a deficient number, since it is larger than the sum of its proper divisors (12562703612).

132649652521 is an frugal number, since it uses more digits than its factorization.

132649652521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1418 (or 709 counting only the distinct ones).

The product of its digits is 777600, while the sum is 46.

The spelling of 132649652521 in words is "one hundred thirty-two billion, six hundred forty-nine million, six hundred fifty-two thousand, five hundred twenty-one".