131657042 has 32 divisors (see below), whose sum is σ = 234619200. Its totient is φ = 54734400.

The previous prime is 131657021. The next prime is 131657069. The reversal of 131657042 is 240756131.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 131656996 and 131657014.

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, 6692 + ... + 17552.

It is an arithmetic number, because the mean of its divisors is an integer number (7331850).

Almost surely, 2^131657042 is an apocalyptic number.

131657042 is a deficient number, since it is larger than the sum of its proper divisors (102962158).

131657042 is a wasteful number, since it uses less digits than its factorization.

131657042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10922.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 131657042 is about 11474.1902546541. The cubic root of 131657042 is about 508.7229899112.

The spelling of 131657042 in words is "one hundred thirty-one million, six hundred fifty-seven thousand, forty-two".