131700199678721 has 8 divisors (see below), whose sum is σ = 131982394913280. Its totient is φ = 131418034640992.

The previous prime is 131700199678637. The next prime is 131700199678739. The reversal of 131700199678721 is 127876991007131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131700199678721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131700199671721) 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, 1193756 + ... + 16273458.

It is an arithmetic number, because the mean of its divisors is an integer number (16497799364160).

Almost surely, 2^{131700199678721} is an apocalyptic number.

It is an amenable number.

131700199678721 is a deficient number, since it is larger than the sum of its proper divisors (282195234559).

131700199678721 is a wasteful number, since it uses less digits than its factorization.

131700199678721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15098415.

The product of its (nonzero) digits is 8001504, while the sum is 62.

The spelling of 131700199678721 in words is "one hundred thirty-one trillion, seven hundred billion, one hundred ninety-nine million, six hundred seventy-eight thousand, seven hundred twenty-one".