131475242 has 8 divisors (see below), whose sum is σ = 197304132. Its totient is φ = 65707200.

The previous prime is 131475217. The next prime is 131475271. The reversal of 131475242 is 242574131.

It can be written as a sum of positive squares in 2 ways, for example, as 131079601 + 395641 = 11449^2 + 629^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9359 + ... + 18722.

Almost surely, 2^131475242 is an apocalyptic number.

131475242 is a deficient number, since it is larger than the sum of its proper divisors (65828890).

131475242 is a wasteful number, since it uses less digits than its factorization.

131475242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30424.

The product of its digits is 6720, while the sum is 29.

The square root of 131475242 is about 11466.2653902655. The cubic root of 131475242 is about 508.4887235657.

The spelling of 131475242 in words is "one hundred thirty-one million, four hundred seventy-five thousand, two hundred forty-two".