131432873 has 8 divisors (see below), whose sum is σ = 154410816. Its totient is φ = 110293200.

The previous prime is 131432869. The next prime is 131432881. The reversal of 131432873 is 378234131.

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

It is a cyclic number.

It is not a de Polignac number, because 131432873 - 2² = 131432869 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131432893) 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, 459413 + ... + 459698.

It is an arithmetic number, because the mean of its divisors is an integer number (19301352).

Almost surely, 2^131432873 is an apocalyptic number.

131432873 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

131432873 is a deficient number, since it is larger than the sum of its proper divisors (22977943).

131432873 is a wasteful number, since it uses less digits than its factorization.

131432873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919135.

The product of its digits is 12096, while the sum is 32.

The square root of 131432873 is about 11464.4176912742. The cubic root of 131432873 is about 508.4340961112.

The spelling of 131432873 in words is "one hundred thirty-one million, four hundred thirty-two thousand, eight hundred seventy-three".