131725207 has 4 divisors (see below), whose sum is σ = 131957280. Its totient is φ = 131493136.

The previous prime is 131725199. The next prime is 131725247. The reversal of 131725207 is 702527131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131725207 - 2³ = 131725199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131725247) 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, 115183 + ... + 116320.

It is an arithmetic number, because the mean of its divisors is an integer number (32989320).

Almost surely, 2^131725207 is an apocalyptic number.

131725207 is a deficient number, since it is larger than the sum of its proper divisors (232073).

131725207 is an equidigital number, since it uses as much as digits as its factorization.

131725207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232072.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 131725207 is about 11477.1602323920. The cubic root of 131725207 is about 508.8107713144.

The spelling of 131725207 in words is "one hundred thirty-one million, seven hundred twenty-five thousand, two hundred seven".