132646540 has 24 divisors (see below), whose sum is σ = 299985840. Its totient is φ = 48977088.

The previous prime is 132646537. The next prime is 132646541. The reversal of 132646540 is 45646231.

It is not an unprimeable number, because it can be changed into a prime (132646541) 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, 254830 + ... + 255349.

It is an arithmetic number, because the mean of its divisors is an integer number (12499410).

Almost surely, 2^132646540 is an apocalyptic number.

132646540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132646540 is an abundant number, since it is smaller than the sum of its proper divisors (167339300).

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

132646540 is a wasteful number, since it uses less digits than its factorization.

132646540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510201 (or 510199 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 132646540 is about 11517.2279650965. The cubic root of 132646540 is about 509.9942841856.

The spelling of 132646540 in words is "one hundred thirty-two million, six hundred forty-six thousand, five hundred forty".