131542273 has 8 divisors (see below), whose sum is σ = 132673536. Its totient is φ = 130416000.

The previous prime is 131542259. The next prime is 131542297. The reversal of 131542273 is 372245131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131542273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131542223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66448 + ... + 68398.

It is an arithmetic number, because the mean of its divisors is an integer number (16584192).

Almost surely, 2^131542273 is an apocalyptic number.

It is an amenable number.

131542273 is a deficient number, since it is larger than the sum of its proper divisors (1131263).

131542273 is a wasteful number, since it uses less digits than its factorization.

131542273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2495.

The product of its digits is 5040, while the sum is 28.

The square root of 131542273 is about 11469.1879834625. The cubic root of 131542273 is about 508.5751244125.

The spelling of 131542273 in words is "one hundred thirty-one million, five hundred forty-two thousand, two hundred seventy-three".