132978279 has 8 divisors (see below), whose sum is σ = 202633600. Its totient is φ = 75987576.

The previous prime is 132978247. The next prime is 132978281. The reversal of 132978279 is 972879231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 132978279 - 2⁵ = 132978247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132978229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3166129 + ... + 3166170.

It is an arithmetic number, because the mean of its divisors is an integer number (25329200).

Almost surely, 2^132978279 is an apocalyptic number.

132978279 is a deficient number, since it is larger than the sum of its proper divisors (69655321).

132978279 is an equidigital number, since it uses as much as digits as its factorization.

132978279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6332309.

The product of its digits is 381024, while the sum is 48.

The square root of 132978279 is about 11531.6208314356. The cubic root of 132978279 is about 510.4190826760.

The spelling of 132978279 in words is "one hundred thirty-two million, nine hundred seventy-eight thousand, two hundred seventy-nine".