136986793 has 8 divisors (see below), whose sum is σ = 139466912. Its totient is φ = 134519616.

The previous prime is 136986743. The next prime is 136986797. The reversal of 136986793 is 397689631.

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

It is not a de Polignac number, because 136986793 - 2¹³ = 136978601 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 136986793.

It is not an unprimeable number, because it can be changed into a prime (136986797) 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, 19546 + ... + 25612.

It is an arithmetic number, because the mean of its divisors is an integer number (17433364).

Almost surely, 2^136986793 is an apocalyptic number.

It is an amenable number.

136986793 is a deficient number, since it is larger than the sum of its proper divisors (2480119).

136986793 is an equidigital number, since it uses as much as digits as its factorization.

136986793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6471.

The product of its digits is 1469664, while the sum is 52.

The square root of 136986793 is about 11704.1357220429. The cubic root of 136986793 is about 515.4971075917.

The spelling of 136986793 in words is "one hundred thirty-six million, nine hundred eighty-six thousand, seven hundred ninety-three".