132978 has 16 divisors (see below), whose sum is σ = 273600. Its totient is φ = 43056.

The previous prime is 132971. The next prime is 132989. The reversal of 132978 is 879231.

It is a happy number.

It is an Ulam number.

It is a Curzon number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (132971) 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, 78 + ... + 521.

It is an arithmetic number, because the mean of its divisors is an integer number (17100).

2¹³²⁹⁷⁸ is an apocalyptic number.

132978 is an abundant number, since it is smaller than the sum of its proper divisors (140622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

132978 is a wasteful number, since it uses less digits than its factorization.

132978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641.

The product of its digits is 3024, while the sum is 30.

The square root of 132978 is about 364.6614868614. The cubic root of 132978 is about 51.0418725708.

The spelling of 132978 in words is "one hundred thirty-two thousand, nine hundred seventy-eight".