131365542 has 32 divisors (see below), whose sum is σ = 327561984. Its totient is φ = 34120800.

The previous prime is 131365523. The next prime is 131365561. The reversal of 131365542 is 245563131.

It is an interprime number because it is at equal distance from previous prime (131365523) and next prime (131365561).

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, 141709 + ... + 142632.

It is an arithmetic number, because the mean of its divisors is an integer number (10236312).

Almost surely, 2^131365542 is an apocalyptic number.

131365542 is an abundant number, since it is smaller than the sum of its proper divisors (196196442).

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

131365542 is a wasteful number, since it uses less digits than its factorization.

131365542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284364.

The product of its digits is 10800, while the sum is 30.

The square root of 131365542 is about 11461.4807943825. The cubic root of 131365542 is about 508.3472603428.

The spelling of 131365542 in words is "one hundred thirty-one million, three hundred sixty-five thousand, five hundred forty-two".