132651640 has 64 divisors (see below), whose sum is σ = 328872960. Its totient is φ = 47752320.

The previous prime is 132651613. The next prime is 132651653. The reversal of 132651640 is 46156231.

It is a junction number, because it is equal to n+sod(n) for n = 132651599 and 132651608.

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, 43857 + ... + 46783.

It is an arithmetic number, because the mean of its divisors is an integer number (5138640).

Almost surely, 2^132651640 is an apocalyptic number.

132651640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 132651640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164436480).

132651640 is an abundant number, since it is smaller than the sum of its proper divisors (196221320).

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

132651640 is a wasteful number, since it uses less digits than its factorization.

132651640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3052 (or 3048 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 132651640 is about 11517.4493704118. The cubic root of 132651640 is about 510.0008201960. Note that the first 3 decimals are identical.

The spelling of 132651640 in words is "one hundred thirty-two million, six hundred fifty-one thousand, six hundred forty".