132257978 has 8 divisors (see below), whose sum is σ = 198444468. Its totient is φ = 66109824.

The previous prime is 132257963. The next prime is 132258041. The reversal of 132257978 is 879752231.

It can be written as a sum of positive squares in 2 ways, for example, as 126270169 + 5987809 = 11237^2 + 2447^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1700 + ... + 16352.

Almost surely, 2^132257978 is an apocalyptic number.

132257978 is a deficient number, since it is larger than the sum of its proper divisors (66186490).

132257978 is a wasteful number, since it uses less digits than its factorization.

132257978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19168.

The product of its digits is 211680, while the sum is 44.

The square root of 132257978 is about 11500.3468643341. The cubic root of 132257978 is about 509.4958211044.

The spelling of 132257978 in words is "one hundred thirty-two million, two hundred fifty-seven thousand, nine hundred seventy-eight".