131741997 has 8 divisors (see below), whose sum is σ = 176775456. Its totient is φ = 87268272.

The previous prime is 131741969. The next prime is 131742001. The reversal of 131741997 is 799147131.

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

It is not a de Polignac number, because 131741997 - 2⁸ = 131741741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131741917) 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, 139383 + ... + 140324.

It is an arithmetic number, because the mean of its divisors is an integer number (22096932).

Almost surely, 2^131741997 is an apocalyptic number.

It is an amenable number.

131741997 is a deficient number, since it is larger than the sum of its proper divisors (45033459).

131741997 is a wasteful number, since it uses less digits than its factorization.

131741997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279867.

The product of its digits is 47628, while the sum is 42.

The square root of 131741997 is about 11477.8916617992. The cubic root of 131741997 is about 508.8323884625.

The spelling of 131741997 in words is "one hundred thirty-one million, seven hundred forty-one thousand, nine hundred ninety-seven".