131725793 has 4 divisors (see below), whose sum is σ = 131813808. Its totient is φ = 131637780.

The previous prime is 131725787. The next prime is 131725817. The reversal of 131725793 is 397527131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131725793 - 2⁴ = 131725777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131725733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41723 + ... + 44768.

It is an arithmetic number, because the mean of its divisors is an integer number (32953452).

Almost surely, 2^131725793 is an apocalyptic number.

It is an amenable number.

131725793 is a deficient number, since it is larger than the sum of its proper divisors (88015).

131725793 is an equidigital number, since it uses as much as digits as its factorization.

131725793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88014.

The product of its digits is 39690, while the sum is 38.

The square root of 131725793 is about 11477.1857613267. The cubic root of 131725793 is about 508.8115258212.

The spelling of 131725793 in words is "one hundred thirty-one million, seven hundred twenty-five thousand, seven hundred ninety-three".