131140392 has 16 divisors (see below), whose sum is σ = 327851040. Its totient is φ = 43713456.

The previous prime is 131140333. The next prime is 131140393. The reversal of 131140392 is 293041131.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 5464183 = 131140392 / (1 + 3 + 1 + 1 + 4 + 0 + 3 + 9 + 2).

It is not an unprimeable number, because it can be changed into a prime (131140393) 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, 2732068 + ... + 2732115.

It is an arithmetic number, because the mean of its divisors is an integer number (20490690).

Almost surely, 2^131140392 is an apocalyptic number.

131140392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131140392 is an abundant number, since it is smaller than the sum of its proper divisors (196710648).

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

131140392 is a wasteful number, since it uses less digits than its factorization.

131140392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5464192 (or 5464188 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 131140392 is about 11451.6545529456. The cubic root of 131140392 is about 508.0566721242.

The spelling of 131140392 in words is "one hundred thirty-one million, one hundred forty thousand, three hundred ninety-two".