132142779 has 16 divisors (see below), whose sum is σ = 196475040. Its totient is φ = 87776640.

The previous prime is 132142697. The next prime is 132142781. The reversal of 132142779 is 977241231.

It is not a de Polignac number, because 132142779 - 2⁸ = 132142523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (132142789) 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, 1122 + ... + 16295.

It is an arithmetic number, because the mean of its divisors is an integer number (12279690).

Almost surely, 2^132142779 is an apocalyptic number.

132142779 is a deficient number, since it is larger than the sum of its proper divisors (64332261).

132142779 is a wasteful number, since it uses less digits than its factorization.

132142779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17707 (or 17701 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 132142779 is about 11495.3372721291. The cubic root of 132142779 is about 509.3478515597.

It can be divided in two parts, 1321 and 42779, that added together give a square (44100 = 210²).

The spelling of 132142779 in words is "one hundred thirty-two million, one hundred forty-two thousand, seven hundred seventy-nine".