132772257521 has 4 divisors (see below), whose sum is σ = 132779807472. Its totient is φ = 132764707572.

The previous prime is 132772257491. The next prime is 132772257547. The reversal of 132772257521 is 125752277231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 125752277231 = 7 ⋅17964611033.

It is a cyclic number.

It is not a de Polignac number, because 132772257521 - 2³⁴ = 115592388337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132772247521) 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, 3748535 + ... + 3783788.

It is an arithmetic number, because the mean of its divisors is an integer number (33194951868).

Almost surely, 2^132772257521 is an apocalyptic number.

It is an amenable number.

132772257521 is a deficient number, since it is larger than the sum of its proper divisors (7549951).

132772257521 is an equidigital number, since it uses as much as digits as its factorization.

132772257521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7549950.

The product of its digits is 411600, while the sum is 44.

The spelling of 132772257521 in words is "one hundred thirty-two billion, seven hundred seventy-two million, two hundred fifty-seven thousand, five hundred twenty-one".