131420184 has 32 divisors (see below), whose sum is σ = 375486720. Its totient is φ = 37548576.

The previous prime is 131420173. The next prime is 131420269. The reversal of 131420184 is 481024131.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390964 + ... + 391299.

It is an arithmetic number, because the mean of its divisors is an integer number (11733960).

Almost surely, 2^131420184 is an apocalyptic number.

131420184 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

131420184 is an abundant number, since it is smaller than the sum of its proper divisors (244066536).

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

131420184 is a wasteful number, since it uses less digits than its factorization.

131420184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782279 (or 782275 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 131420184 is about 11463.8642699571. The cubic root of 131420184 is about 508.4177335688.

The spelling of 131420184 in words is "one hundred thirty-one million, four hundred twenty thousand, one hundred eighty-four".