132995979 has 16 divisors (see below), whose sum is σ = 197283840. Its totient is φ = 88550280.

The previous prime is 132995957. The next prime is 132995987. The reversal of 132995979 is 979599231.

It is a de Polignac number, because none of the positive numbers 2^k-132995979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (132995909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21894 + ... + 27300.

It is an arithmetic number, because the mean of its divisors is an integer number (12330240).

Almost surely, 2^132995979 is an apocalyptic number.

132995979 is a deficient number, since it is larger than the sum of its proper divisors (64287861).

132995979 is an equidigital number, since it uses as much as digits as its factorization.

132995979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6327 (or 6321 counting only the distinct ones).

The product of its digits is 1377810, while the sum is 54.

The square root of 132995979 is about 11532.3882608938. The cubic root of 132995979 is about 510.4417280208.

It can be divided in two parts, 13 and 2995979, that added together give a palindrome (2995992).

The spelling of 132995979 in words is "one hundred thirty-two million, nine hundred ninety-five thousand, nine hundred seventy-nine".