131750725 has 6 divisors (see below), whose sum is σ = 163370930. Its totient is φ = 105400560.

The previous prime is 131750719. The next prime is 131750737. The reversal of 131750725 is 527057131.

It can be written as a sum of positive squares in 3 ways, for example, as 6241 + 131744484 = 79^2 + 11478^2 .

It is not a de Polignac number, because 131750725 - 2¹¹ = 131748677 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2634990 + ... + 2635039.

Almost surely, 2^131750725 is an apocalyptic number.

It is an amenable number.

131750725 is a deficient number, since it is larger than the sum of its proper divisors (31620205).

131750725 is an equidigital number, since it uses as much as digits as its factorization.

131750725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5270039 (or 5270034 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 31.

The square root of 131750725 is about 11478.2718647016. The cubic root of 131750725 is about 508.8436250489.

The spelling of 131750725 in words is "one hundred thirty-one million, seven hundred fifty thousand, seven hundred twenty-five".