137811723779 has 8 divisors (see below), whose sum is σ = 145925251920. Its totient is φ = 129698968576.

The previous prime is 137811723773. The next prime is 137811723781. The reversal of 137811723779 is 977327118731.

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 137811723779 - 2⁸ = 137811723523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137811723773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196307 + ... + 560499.

It is an arithmetic number, because the mean of its divisors is an integer number (18240656490).

Almost surely, 2^137811723779 is an apocalyptic number.

137811723779 is a deficient number, since it is larger than the sum of its proper divisors (8113528141).

137811723779 is a wasteful number, since it uses less digits than its factorization.

137811723779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386469.

The product of its digits is 3111696, while the sum is 56.

The spelling of 137811723779 in words is "one hundred thirty-seven billion, eight hundred eleven million, seven hundred twenty-three thousand, seven hundred seventy-nine".