132761722521 has 4 divisors (see below), whose sum is σ = 177015630032. Its totient is φ = 88507815012.

The previous prime is 132761722439. The next prime is 132761722529. The reversal of 132761722521 is 125227167231.

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.

It is not a de Polignac number, because 132761722521 - 2²² = 132757528217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 132761722521.

It is not an unprimeable number, because it can be changed into a prime (132761722529) 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, 22126953751 + ... + 22126953756.

It is an arithmetic number, because the mean of its divisors is an integer number (44253907508).

Almost surely, 2^132761722521 is an apocalyptic number.

It is an amenable number.

132761722521 is a deficient number, since it is larger than the sum of its proper divisors (44253907511).

132761722521 is an equidigital number, since it uses as much as digits as its factorization.

132761722521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44253907510.

The product of its digits is 70560, while the sum is 39.

Adding to 132761722521 its reverse (125227167231), we get a palindrome (257988889752).

The spelling of 132761722521 in words is "one hundred thirty-two billion, seven hundred sixty-one million, seven hundred twenty-two thousand, five hundred twenty-one".