131526242 has 16 divisors (see below), whose sum is σ = 203942400. Its totient is φ = 63551520.

The previous prime is 131526233. The next prime is 131526253. The reversal of 131526242 is 242625131.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69059 + ... + 70937.

It is an arithmetic number, because the mean of its divisors is an integer number (12746400).

Almost surely, 2^131526242 is an apocalyptic number.

131526242 is a deficient number, since it is larger than the sum of its proper divisors (72416158).

131526242 is a wasteful number, since it uses less digits than its factorization.

131526242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3041.

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

The square root of 131526242 is about 11468.4890896752. The cubic root of 131526242 is about 508.5544636296.

The spelling of 131526242 in words is "one hundred thirty-one million, five hundred twenty-six thousand, two hundred forty-two".