136763826791 has 16 divisors (see below), whose sum is σ = 140736420000. Its totient is φ = 132806112768.

The previous prime is 136763826781. The next prime is 136763826809. The reversal of 136763826791 is 197628367631.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136763826791 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 136763826791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136763826781) 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, 71490851 + ... + 71492763.

It is an arithmetic number, because the mean of its divisors is an integer number (8796026250).

Almost surely, 2^136763826791 is an apocalyptic number.

136763826791 is a deficient number, since it is larger than the sum of its proper divisors (3972593209).

136763826791 is a wasteful number, since it uses less digits than its factorization.

136763826791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4738.

The product of its digits is 13716864, while the sum is 59.

The spelling of 136763826791 in words is "one hundred thirty-six billion, seven hundred sixty-three million, eight hundred twenty-six thousand, seven hundred ninety-one".