131457442 has 8 divisors (see below), whose sum is σ = 197274816. Its totient is φ = 65699172.

The previous prime is 131457433. The next prime is 131457457. The reversal of 131457442 is 244754131.

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, 8718 + ... + 18409.

It is an arithmetic number, because the mean of its divisors is an integer number (24659352).

Almost surely, 2^131457442 is an apocalyptic number.

131457442 is a deficient number, since it is larger than the sum of its proper divisors (65817374).

131457442 is a wasteful number, since it uses less digits than its factorization.

131457442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29552.

The product of its digits is 13440, while the sum is 31.

The square root of 131457442 is about 11465.4891740388. The cubic root of 131457442 is about 508.4657749922.

The spelling of 131457442 in words is "one hundred thirty-one million, four hundred fifty-seven thousand, four hundred forty-two".