132957828 has 24 divisors (see below), whose sum is σ = 344705760. Its totient is φ = 44319240.

The previous prime is 132957827. The next prime is 132957829. The reversal of 132957828 is 828759231.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (132957827) and next prime (132957829).

It is not an unprimeable number, because it can be changed into a prime (132957821) 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, 615438 + ... + 615653.

It is an arithmetic number, because the mean of its divisors is an integer number (14362740).

Almost surely, 2^132957828 is an apocalyptic number.

132957828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

132957828 is an abundant number, since it is smaller than the sum of its proper divisors (211747932).

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

132957828 is a wasteful number, since it uses less digits than its factorization.

132957828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231104 (or 1231096 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 132957828 is about 11530.7340616285. The cubic root of 132957828 is about 510.3929152048.

The spelling of 132957828 in words is "one hundred thirty-two million, nine hundred fifty-seven thousand, eight hundred twenty-eight".