132928978 has 48 divisors (see below), whose sum is σ = 259830720. Its totient is φ = 49802688.

The previous prime is 132928973. The next prime is 132928979. The reversal of 132928978 is 879829231.

It is a super-2 number, since 2×132928978² = 35340226384248968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (132928973) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43476 + ... + 46432.

It is an arithmetic number, because the mean of its divisors is an integer number (5413140).

Almost surely, 2^132928978 is an apocalyptic number.

132928978 is a deficient number, since it is larger than the sum of its proper divisors (126901742).

132928978 is a wasteful number, since it uses less digits than its factorization.

132928978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3011 (or 2998 counting only the distinct ones).

The product of its digits is 435456, while the sum is 49.

The square root of 132928978 is about 11529.4829892758. The cubic root of 132928978 is about 510.3559964791.

The spelling of 132928978 in words is "one hundred thirty-two million, nine hundred twenty-eight thousand, nine hundred seventy-eight".