131502752 has 48 divisors (see below), whose sum is σ = 279358632. Its totient is φ = 60702720.

The previous prime is 131502697. The next prime is 131502779. The reversal of 131502752 is 257205131.

It can be written as a sum of positive squares in 4 ways, for example, as 125529616 + 5973136 = 11204^2 + 2444^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26552 + ... + 31112.

Almost surely, 2^131502752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131502752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139679316).

131502752 is an abundant number, since it is smaller than the sum of its proper divisors (147855880).

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

131502752 is a wasteful number, since it uses less digits than its factorization.

131502752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4641 (or 4633 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 131502752 is about 11467.4649334541. The cubic root of 131502752 is about 508.5241866410.

Adding to 131502752 its reverse (257205131), we get a palindrome (388707883).

The spelling of 131502752 in words is "one hundred thirty-one million, five hundred two thousand, seven hundred fifty-two".