132681640 has 64 divisors (see below), whose sum is σ = 367436160. Its totient is φ = 41990400.

The previous prime is 132681607. The next prime is 132681683. The reversal of 132681640 is 46186231.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14586 + ... + 21865.

It is an arithmetic number, because the mean of its divisors is an integer number (5741190).

Almost surely, 2^132681640 is an apocalyptic number.

132681640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132681640 is an abundant number, since it is smaller than the sum of its proper divisors (234754520).

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

132681640 is a wasteful number, since it uses less digits than its factorization.

132681640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36482 (or 36478 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 132681640 is about 11518.7516684752. The cubic root of 132681640 is about 510.0392639257.

The spelling of 132681640 in words is "one hundred thirty-two million, six hundred eighty-one thousand, six hundred forty".