131090942 has 16 divisors (see below), whose sum is σ = 200931840. Its totient is φ = 64120992.

The previous prime is 131090917. The next prime is 131090951. The reversal of 131090942 is 249090131.

It is a happy number.

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, 38984 + ... + 42212.

It is an arithmetic number, because the mean of its divisors is an integer number (12558240).

Almost surely, 2^131090942 is an apocalyptic number.

131090942 is a deficient number, since it is larger than the sum of its proper divisors (69840898).

131090942 is a wasteful number, since it uses less digits than its factorization.

131090942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3667.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 131090942 is about 11449.4952727184. The cubic root of 131090942 is about 507.9928053004.

The spelling of 131090942 in words is "one hundred thirty-one million, ninety thousand, nine hundred forty-two".