132400812 has 24 divisors (see below), whose sum is σ = 310405312. Its totient is φ = 43923600.

The previous prime is 132400789. The next prime is 132400813. The reversal of 132400812 is 218004231.

It is not an unprimeable number, because it can be changed into a prime (132400813) 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, 23614 + ... + 28677.

Almost surely, 2^132400812 is an apocalyptic number.

132400812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

132400812 is an abundant number, since it is smaller than the sum of its proper divisors (178004500).

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

132400812 is a wasteful number, since it uses less digits than its factorization.

132400812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52509 (or 52507 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 132400812 is about 11506.5551752034. Note that the first 3 decimals coincide. The cubic root of 132400812 is about 509.6791676855.

The spelling of 132400812 in words is "one hundred thirty-two million, four hundred thousand, eight hundred twelve".