132397866 has 12 divisors (see below), whose sum is σ = 286862082. Its totient is φ = 44132616.

The previous prime is 132397777. The next prime is 132397873. The reversal of 132397866 is 668793231.

It can be written as a sum of positive squares in only one way, i.e., 91757241 + 40640625 = 9579^2 + 6375^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3677701 + ... + 3677736.

Almost surely, 2^132397866 is an apocalyptic number.

132397866 is an abundant number, since it is smaller than the sum of its proper divisors (154464216).

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

132397866 is a wasteful number, since it uses less digits than its factorization.

132397866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7355445 (or 7355442 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 132397866 is about 11506.4271605047. The cubic root of 132397866 is about 509.6753874318.

The spelling of 132397866 in words is "one hundred thirty-two million, three hundred ninety-seven thousand, eight hundred sixty-six".