131572142 has 8 divisors (see below), whose sum is σ = 212539656. Its totient is φ = 60725592.

The previous prime is 131572109. The next prime is 131572193. The reversal of 131572142 is 241275131.

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

It is a super-2 number, since 2×131572142² = 34622457100936328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 5060467 = 131572142 / (1 + 3 + 1 + 5 + 7 + 2 + 1 + 4 + 2).

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 2530208 + ... + 2530259.

It is an arithmetic number, because the mean of its divisors is an integer number (26567457).

Almost surely, 2^131572142 is an apocalyptic number.

131572142 is a deficient number, since it is larger than the sum of its proper divisors (80967514).

131572142 is a wasteful number, since it uses less digits than its factorization.

131572142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5060482.

The product of its digits is 1680, while the sum is 26.

The square root of 131572142 is about 11470.4900505602. The cubic root of 131572142 is about 508.6136151588.

The spelling of 131572142 in words is "one hundred thirty-one million, five hundred seventy-two thousand, one hundred forty-two".