136183793 has 2 divisors, whose sum is σ = 136183794. Its totient is φ = 136183792.

The previous prime is 136183783. The next prime is 136183807. The reversal of 136183793 is 397381631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111661489 + 24522304 = 10567^2 + 4952^2 .

It is a cyclic number.

It is not a de Polignac number, because 136183793 - 2⁴ = 136183777 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 136183793.

It is not a weakly prime, because it can be changed into another prime (136183783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68091896 + 68091897.

It is an arithmetic number, because the mean of its divisors is an integer number (68091897).

Almost surely, 2^136183793 is an apocalyptic number.

It is an amenable number.

136183793 is a deficient number, since it is larger than the sum of its proper divisors (1).

136183793 is an equidigital number, since it uses as much as digits as its factorization.

136183793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 41.

The square root of 136183793 is about 11669.7811890369. The cubic root of 136183793 is about 514.4878724605.

The spelling of 136183793 in words is "one hundred thirty-six million, one hundred eighty-three thousand, seven hundred ninety-three".