332139460 has 12 divisors (see below), whose sum is σ = 697492908. Its totient is φ = 132855776.

The previous prime is 332139433. The next prime is 332139473. The reversal of 332139460 is 64931233.

It can be written as a sum of positive squares in 2 ways, for example, as 83320384 + 248819076 = 9128^2 + 15774^2 .

It is a super-2 number, since 2×332139460² = 220633241778183200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8303467 + ... + 8303506.

It is an arithmetic number, because the mean of its divisors is an integer number (58124409).

Almost surely, 2^332139460 is an apocalyptic number.

It is an amenable number.

332139460 is an abundant number, since it is smaller than the sum of its proper divisors (365353448).

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

332139460 is a wasteful number, since it uses less digits than its factorization.

332139460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16606982 (or 16606980 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 332139460 is about 18224.6936874121. The cubic root of 332139460 is about 692.5324985726.

It can be divided in two parts, 332139 and 460, that multiplied together give a triangular number (152783940 = T₁₇₄₈₀).

The spelling of 332139460 in words is "three hundred thirty-two million, one hundred thirty-nine thousand, four hundred sixty".