131625733 has 4 divisors (see below), whose sum is σ = 131671180. Its totient is φ = 131580288.

The previous prime is 131625731. The next prime is 131625737. The reversal of 131625733 is 337526131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 66048129 + 65577604 = 8127^2 + 8098^2 .

It is a cyclic number.

It is not a de Polignac number, because 131625733 - 2¹ = 131625731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131625695 and 131625704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131625731) 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, 18060 + ... + 24277.

It is an arithmetic number, because the mean of its divisors is an integer number (32917795).

Almost surely, 2^131625733 is an apocalyptic number.

It is an amenable number.

131625733 is a deficient number, since it is larger than the sum of its proper divisors (45447).

131625733 is an equidigital number, since it uses as much as digits as its factorization.

131625733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45446.

The product of its digits is 11340, while the sum is 31.

The square root of 131625733 is about 11472.8258506786. The cubic root of 131625733 is about 508.6826607079.

The spelling of 131625733 in words is "one hundred thirty-one million, six hundred twenty-five thousand, seven hundred thirty-three".