249756132 has 48 divisors (see below), whose sum is σ = 593212032. Its totient is φ = 81768960.

The previous prime is 249756131. The next prime is 249756139. The reversal of 249756132 is 231657942.

249756132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (249756131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 368578 + ... + 369254.

It is an arithmetic number, because the mean of its divisors is an integer number (12358584).

Almost surely, 2^249756132 is an apocalyptic number.

It is an amenable number.

249756132 is an abundant number, since it is smaller than the sum of its proper divisors (343455900).

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

249756132 is a wasteful number, since it uses less digits than its factorization.

249756132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188 (or 1186 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 249756132 is about 15803.6746359826. The cubic root of 249756132 is about 629.7556220229.

The spelling of 249756132 in words is "two hundred forty-nine million, seven hundred fifty-six thousand, one hundred thirty-two".