131625706 has 8 divisors (see below), whose sum is σ = 198764100. Its totient is φ = 65371008.

The previous prime is 131625701. The next prime is 131625719. The reversal of 131625706 is 607526131.

It can be written as a sum of positive squares in 2 ways, for example, as 120099681 + 11526025 = 10959^2 + 3395^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (131625701) 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, 220551 + ... + 221146.

Almost surely, 2^131625706 is an apocalyptic number.

131625706 is a deficient number, since it is larger than the sum of its proper divisors (67138394).

131625706 is a wasteful number, since it uses less digits than its factorization.

131625706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441848.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 131625706 is about 11472.8246739850. The cubic root of 131625706 is about 508.6826259264.

The spelling of 131625706 in words is "one hundred thirty-one million, six hundred twenty-five thousand, seven hundred six".