132659640 has 64 divisors (see below), whose sum is σ = 442202400. Its totient is φ = 35375616.

The previous prime is 132659629. The next prime is 132659651. The reversal of 132659640 is 46956231.

It is a happy number.

132659640 is a `hidden beast` number, since 1 + 3 + 2 + 6 + 5 + 9 + 640 = 666.

It is an interprime number because it is at equal distance from previous prime (132659629) and next prime (132659651).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 132659595 and 132659604.

It is a congruent 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, 60337 + ... + 62496.

Almost surely, 2^132659640 is an apocalyptic number.

132659640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132659640 is an abundant number, since it is smaller than the sum of its proper divisors (309542760).

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

132659640 is a wasteful number, since it uses less digits than its factorization.

132659640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122853 (or 122843 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 132659640 is about 11517.7966642930. The cubic root of 132659640 is about 510.0110724240.

The spelling of 132659640 in words is "one hundred thirty-two million, six hundred fifty-nine thousand, six hundred forty".