131825605 has 8 divisors (see below), whose sum is σ = 159669792. Its totient is φ = 104474448.

The previous prime is 131825579. The next prime is 131825621. The reversal of 131825605 is 506528131.

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

It is a cyclic number.

It is not a de Polignac number, because 131825605 - 2²¹ = 129728453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122667 + ... + 123736.

It is an arithmetic number, because the mean of its divisors is an integer number (19958724).

Almost surely, 2^131825605 is an apocalyptic number.

It is an amenable number.

131825605 is a deficient number, since it is larger than the sum of its proper divisors (27844187).

131825605 is a wasteful number, since it uses less digits than its factorization.

131825605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246515.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 131825605 is about 11481.5332164306. The cubic root of 131825605 is about 508.9400065413.

The spelling of 131825605 in words is "one hundred thirty-one million, eight hundred twenty-five thousand, six hundred five".