137799487793 has 16 divisors (see below), whose sum is σ = 153874873152. Its totient is φ = 122317440000.

The previous prime is 137799487759. The next prime is 137799487823. The reversal of 137799487793 is 397784997731.

It is a cyclic number.

It is not a de Polignac number, because 137799487793 - 2⁶ = 137799487729 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 137799487793.

It is not an unprimeable number, because it can be changed into a prime (137799487703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1390493 + ... + 1486293.

It is an arithmetic number, because the mean of its divisors is an integer number (9617179572).

Almost surely, 2^137799487793 is an apocalyptic number.

It is an amenable number.

137799487793 is a deficient number, since it is larger than the sum of its proper divisors (16075385359).

137799487793 is a wasteful number, since it uses less digits than its factorization.

137799487793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98896.

The product of its digits is 504094752, while the sum is 74.

The spelling of 137799487793 in words is "one hundred thirty-seven billion, seven hundred ninety-nine million, four hundred eighty-seven thousand, seven hundred ninety-three".