131452448 has 24 divisors (see below), whose sum is σ = 261094428. Its totient is φ = 65142784.

The previous prime is 131452441. The next prime is 131452457. The reversal of 131452448 is 844254131.

It can be written as a sum of positive squares in 2 ways, for example, as 107910544 + 23541904 = 10388^2 + 4852^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131452441) 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, 14561 + ... + 21792.

Almost surely, 2^131452448 is an apocalyptic number.

It is an amenable number.

131452448 is a deficient number, since it is larger than the sum of its proper divisors (129641980).

131452448 is a wasteful number, since it uses less digits than its factorization.

131452448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36476 (or 36468 counting only the distinct ones).

The product of its digits is 15360, while the sum is 32.

The square root of 131452448 is about 11465.2713879786. The cubic root of 131452448 is about 508.4593361270.

The spelling of 131452448 in words is "one hundred thirty-one million, four hundred fifty-two thousand, four hundred forty-eight".