131626442 has 16 divisors (see below), whose sum is σ = 199973664. Its totient is φ = 64974000.

The previous prime is 131626423. The next prime is 131626477. The reversal of 131626442 is 244626131.

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, 54092 + ... + 56472.

It is an arithmetic number, because the mean of its divisors is an integer number (12498354).

Almost surely, 2^131626442 is an apocalyptic number.

131626442 is a deficient number, since it is larger than the sum of its proper divisors (68347222).

131626442 is a wasteful number, since it uses less digits than its factorization.

131626442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2725.

The product of its digits is 6912, while the sum is 29.

The square root of 131626442 is about 11472.8567497376. The cubic root of 131626442 is about 508.6835740434.

The spelling of 131626442 in words is "one hundred thirty-one million, six hundred twenty-six thousand, four hundred forty-two".