132257840 has 120 divisors (see below), whose sum is σ = 364341264. Its totient is φ = 44352000.

The previous prime is 132257819. The next prime is 132257849. The reversal of 132257840 is 48752231.

It is a junction number, because it is equal to n+sod(n) for n = 132257797 and 132257806.

It is not an unprimeable number, because it can be changed into a prime (132257849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 125315 + ... + 126365.

Almost surely, 2^132257840 is an apocalyptic number.

132257840 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 132257840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182170632).

132257840 is an abundant number, since it is smaller than the sum of its proper divisors (232083424).

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

132257840 is a wasteful number, since it uses less digits than its factorization.

132257840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099 (or 1082 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 132257840 is about 11500.3408645135. The cubic root of 132257840 is about 509.4956438990.

The spelling of 132257840 in words is "one hundred thirty-two million, two hundred fifty-seven thousand, eight hundred forty".