131583601 has 8 divisors (see below), whose sum is σ = 133372800. Its totient is φ = 129805200.

The previous prime is 131583593. The next prime is 131583619. The reversal of 131583601 is 106385131.

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 131583601 - 2³ = 131583593 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131583601.

It is not an unprimeable number, because it can be changed into a prime (131583631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23526 + ... + 28576.

It is an arithmetic number, because the mean of its divisors is an integer number (16671600).

Almost surely, 2^131583601 is an apocalyptic number.

It is an amenable number.

131583601 is a deficient number, since it is larger than the sum of its proper divisors (1789199).

131583601 is a wasteful number, since it uses less digits than its factorization.

131583601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5399.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 131583601 is about 11470.9895388323. The cubic root of 131583601 is about 508.6283802759.

The spelling of 131583601 in words is "one hundred thirty-one million, five hundred eighty-three thousand, six hundred one".