131774609 has 8 divisors (see below), whose sum is σ = 132840000. Its totient is φ = 130713232.

The previous prime is 131774593. The next prime is 131774627. The reversal of 131774609 is 906477131.

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 131774609 - 2⁴ = 131774593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131774639) 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, 106607 + ... + 107835.

It is an arithmetic number, because the mean of its divisors is an integer number (16605000).

Almost surely, 2^131774609 is an apocalyptic number.

It is an amenable number.

131774609 is a deficient number, since it is larger than the sum of its proper divisors (1065391).

131774609 is a wasteful number, since it uses less digits than its factorization.

131774609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2007.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 131774609 is about 11479.3122180730. The cubic root of 131774609 is about 508.8743712095.

The spelling of 131774609 in words is "one hundred thirty-one million, seven hundred seventy-four thousand, six hundred nine".