131697245057 has 8 divisors (see below), whose sum is σ = 150527533632. Its totient is φ = 112871055600.

The previous prime is 131697245051. The next prime is 131697245059. The reversal of 131697245057 is 750542796131.

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 131697245057 - 2¹⁴ = 131697228673 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131697244996 and 131697245014.

It is not an unprimeable number, because it can be changed into a prime (131697245051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 955619 + ... + 1084712.

It is an arithmetic number, because the mean of its divisors is an integer number (18815941704).

Almost surely, 2^131697245057 is an apocalyptic number.

It is an amenable number.

131697245057 is a deficient number, since it is larger than the sum of its proper divisors (18830288575).

131697245057 is an equidigital number, since it uses as much as digits as its factorization.

131697245057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2049559.

The product of its (nonzero) digits is 1587600, while the sum is 50.

The spelling of 131697245057 in words is "one hundred thirty-one billion, six hundred ninety-seven million, two hundred forty-five thousand, fifty-seven".