131254452 has 48 divisors (see below), whose sum is σ = 388904320. Its totient is φ = 37501056.

The previous prime is 131254427. The next prime is 131254477. The reversal of 131254452 is 254452131.

It is an interprime number because it is at equal distance from previous prime (131254427) and next prime (131254477).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86053 + ... + 87564.

Almost surely, 2^131254452 is an apocalyptic number.

131254452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131254452 is an abundant number, since it is smaller than the sum of its proper divisors (257649868).

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

131254452 is a wasteful number, since it uses less digits than its factorization.

131254452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173637 (or 173629 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 131254452 is about 11456.6335369514. The cubic root of 131254452 is about 508.2039243699.

The spelling of 131254452 in words is "one hundred thirty-one million, two hundred fifty-four thousand, four hundred fifty-two".