131826997 has 4 divisors (see below), whose sum is σ = 138765280. Its totient is φ = 124888716.

The previous prime is 131826983. The next prime is 131827001. The reversal of 131826997 is 799628131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 799628131 = 3917 ⋅204143.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131826997 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 (131826397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3469113 + ... + 3469150.

It is an arithmetic number, because the mean of its divisors is an integer number (34691320).

Almost surely, 2^131826997 is an apocalyptic number.

It is an amenable number.

131826997 is a deficient number, since it is larger than the sum of its proper divisors (6938283).

131826997 is an equidigital number, since it uses as much as digits as its factorization.

131826997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6938282.

The product of its digits is 163296, while the sum is 46.

The square root of 131826997 is about 11481.5938353523. The cubic root of 131826997 is about 508.9417979030.

The spelling of 131826997 in words is "one hundred thirty-one million, eight hundred twenty-six thousand, nine hundred ninety-seven".