131274997 has 8 divisors (see below), whose sum is σ = 150135296. Its totient is φ = 112441392.

The previous prime is 131274991. The next prime is 131275013. The reversal of 131274997 is 799472131.

It is a happy number.

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

It is not a de Polignac number, because 131274997 - 2¹¹ = 131272949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131274991) 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, 5308 + ... + 17050.

It is an arithmetic number, because the mean of its divisors is an integer number (18766912).

Almost surely, 2^131274997 is an apocalyptic number.

It is an amenable number.

131274997 is a deficient number, since it is larger than the sum of its proper divisors (18860299).

131274997 is a wasteful number, since it uses less digits than its factorization.

131274997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13347.

The product of its digits is 95256, while the sum is 43.

The square root of 131274997 is about 11457.5301439708. The cubic root of 131274997 is about 508.2304390385.

The spelling of 131274997 in words is "one hundred thirty-one million, two hundred seventy-four thousand, nine hundred ninety-seven".