131669297 has 16 divisors (see below), whose sum is σ = 142968000. Its totient is φ = 120870144.

The previous prime is 131669257. The next prime is 131669299. The reversal of 131669297 is 792966131.

It is a cyclic number.

It is not a de Polignac number, because 131669297 - 2¹² = 131665201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131669299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81029 + ... + 82637.

It is an arithmetic number, because the mean of its divisors is an integer number (8935500).

Almost surely, 2^131669297 is an apocalyptic number.

It is an amenable number.

131669297 is a deficient number, since it is larger than the sum of its proper divisors (11298703).

131669297 is a wasteful number, since it uses less digits than its factorization.

131669297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760.

The product of its digits is 122472, while the sum is 44.

The square root of 131669297 is about 11474.7242668397. The cubic root of 131669297 is about 508.7387738670.

The spelling of 131669297 in words is "one hundred thirty-one million, six hundred sixty-nine thousand, two hundred ninety-seven".