210457132 has 12 divisors (see below), whose sum is σ = 368403336. Its totient is φ = 105199040.

The previous prime is 210457111. The next prime is 210457139. The reversal of 210457132 is 231754012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 210457097 and 210457106.

It is not an unprimeable number, because it can be changed into a prime (210457139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19668 + ... + 28420.

It is an arithmetic number, because the mean of its divisors is an integer number (30700278).

Almost surely, 2^210457132 is an apocalyptic number.

It is an amenable number.

210457132 is a deficient number, since it is larger than the sum of its proper divisors (157946204).

210457132 is a wasteful number, since it uses less digits than its factorization.

210457132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14768 (or 14766 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 210457132 is about 14507.1407244846. The cubic root of 210457132 is about 594.8231774548.

The spelling of 210457132 in words is "two hundred ten million, four hundred fifty-seven thousand, one hundred thirty-two".