131190625 has 12 divisors (see below), whose sum is σ = 163981692. Its totient is φ = 104950000.

The previous prime is 131190607. The next prime is 131190679. The reversal of 131190625 is 526091131.

It can be written as a sum of positive squares in 6 ways, for example, as 129595456 + 1595169 = 11384^2 + 1263^2 .

It is not a de Polignac number, because 131190625 - 2¹³ = 131182433 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131190593 and 131190602.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17866 + ... + 24115.

It is an arithmetic number, because the mean of its divisors is an integer number (13665141).

Almost surely, 2^131190625 is an apocalyptic number.

It is an amenable number.

131190625 is a deficient number, since it is larger than the sum of its proper divisors (32791067).

131190625 is an frugal number, since it uses more digits than its factorization.

131190625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42006 (or 41986 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 131190625 is about 11453.8476068088. The cubic root of 131190625 is about 508.1215337901.

The spelling of 131190625 in words is "one hundred thirty-one million, one hundred ninety thousand, six hundred twenty-five".