132907978 has 16 divisors (see below), whose sum is σ = 233400384. Its totient is φ = 55571040.

The previous prime is 132907933. The next prime is 132907979. The reversal of 132907978 is 879709231.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (132907979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115200 + ... + 116347.

It is an arithmetic number, because the mean of its divisors is an integer number (14587524).

Almost surely, 2^132907978 is an apocalyptic number.

132907978 is a deficient number, since it is larger than the sum of its proper divisors (100492406).

132907978 is a wasteful number, since it uses less digits than its factorization.

132907978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231597.

The product of its (nonzero) digits is 190512, while the sum is 46.

The square root of 132907978 is about 11528.5722446450. The cubic root of 132907978 is about 510.3291198705.

The spelling of 132907978 in words is "one hundred thirty-two million, nine hundred seven thousand, nine hundred seventy-eight".