131625736 has 24 divisors (see below), whose sum is σ = 271276110. Its totient is φ = 59829440.

The previous prime is 131625731. The next prime is 131625737. The reversal of 131625736 is 637526131.

It can be written as a sum of positive squares in only one way, i.e., 86601636 + 45024100 = 9306^2 + 6710^2 .

It is not an unprimeable number, because it can be changed into a prime (131625731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67021 + ... + 68956.

Almost surely, 2^131625736 is an apocalyptic number.

It is an amenable number.

131625736 is an abundant number, since it is smaller than the sum of its proper divisors (139650374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131625736 is a wasteful number, since it uses less digits than its factorization.

131625736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136005 (or 135990 counting only the distinct ones).

The product of its digits is 22680, while the sum is 34.

The square root of 131625736 is about 11472.8259814224. The cubic root of 131625736 is about 508.6826645725.

The spelling of 131625736 in words is "one hundred thirty-one million, six hundred twenty-five thousand, seven hundred thirty-six".