131625242 has 16 divisors (see below), whose sum is σ = 226482432. Its totient is φ = 56201040.

The previous prime is 131625223. The next prime is 131625253. The reversal of 131625242 is 242526131.

It is a happy 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, 13553 + ... + 21140.

It is an arithmetic number, because the mean of its divisors is an integer number (14155152).

Almost surely, 2^131625242 is an apocalyptic number.

131625242 is a deficient number, since it is larger than the sum of its proper divisors (94857190).

131625242 is a wasteful number, since it uses less digits than its factorization.

131625242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34973.

The product of its digits is 2880, while the sum is 26.

The square root of 131625242 is about 11472.8044522689. The cubic root of 131625242 is about 508.6820281986.

The spelling of 131625242 in words is "one hundred thirty-one million, six hundred twenty-five thousand, two hundred forty-two".