132293440 has 28 divisors (see below), whose sum is σ = 315024516. Its totient is φ = 52917248.

The previous prime is 132293437. The next prime is 132293449. The reversal of 132293440 is 44392231.

It can be written as a sum of positive squares in 2 ways, for example, as 51724864 + 80568576 = 7192^2 + 8976^2 .

It is a junction number, because it is equal to n+sod(n) for n = 132293399 and 132293408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132293449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206389 + ... + 207028.

Almost surely, 2^132293440 is an apocalyptic number.

132293440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132293440 is an abundant number, since it is smaller than the sum of its proper divisors (182731076).

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

132293440 is an equidigital number, since it uses as much as digits as its factorization.

132293440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413434 (or 413424 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 132293440 is about 11501.8885405832. Note that the first 3 decimals coincide. The cubic root of 132293440 is about 509.5413536474.

The spelling of 132293440 in words is "one hundred thirty-two million, two hundred ninety-three thousand, four hundred forty".