132155613512621 has 4 divisors (see below), whose sum is σ = 132415251260700. Its totient is φ = 131895975764544.

The previous prime is 132155613512597. The next prime is 132155613512633. The reversal of 132155613512621 is 126215316551231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 76426253168521 + 55729360344100 = 8742211^2 + 7465210^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132155613512621 is a prime.

It is a super-2 number, since 2×132155613512621² (a number of 29 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 (132155613512641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129818873276 + ... + 129818874293.

It is an arithmetic number, because the mean of its divisors is an integer number (33103812815175).

Almost surely, 2^{132155613512621} is an apocalyptic number.

It is an amenable number.

132155613512621 is a deficient number, since it is larger than the sum of its proper divisors (259637748079).

132155613512621 is an equidigital number, since it uses as much as digits as its factorization.

132155613512621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259637748078.

The product of its digits is 324000, while the sum is 44.

The spelling of 132155613512621 in words is "one hundred thirty-two trillion, one hundred fifty-five billion, six hundred thirteen million, five hundred twelve thousand, six hundred twenty-one".