131074542 has 12 divisors (see below), whose sum is σ = 283994880. Its totient is φ = 43691508.

The previous prime is 131074507. The next prime is 131074549. The reversal of 131074542 is 245470131.

131074542 is a `hidden beast` number, since 13 + 107 + 4 + 542 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131074549) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3640942 + ... + 3640977.

It is an arithmetic number, because the mean of its divisors is an integer number (23666240).

Almost surely, 2^131074542 is an apocalyptic number.

131074542 is an abundant number, since it is smaller than the sum of its proper divisors (152920338).

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

131074542 is a wasteful number, since it uses less digits than its factorization.

131074542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7281927 (or 7281924 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 131074542 is about 11448.7790615419. The cubic root of 131074542 is about 507.9716204412.

The spelling of 131074542 in words is "one hundred thirty-one million, seventy-four thousand, five hundred forty-two".