136793139 has 16 divisors (see below), whose sum is σ = 208634112. Its totient is φ = 78097248.

The previous prime is 136793131. The next prime is 136793143. The reversal of 136793139 is 931397631.

It is not a de Polignac number, because 136793139 - 2³ = 136793131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 136793139.

It is not an unprimeable number, because it can be changed into a prime (136793131) 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, 29172 + ... + 33534.

It is an arithmetic number, because the mean of its divisors is an integer number (13039632).

Almost surely, 2^136793139 is an apocalyptic number.

136793139 is a deficient number, since it is larger than the sum of its proper divisors (71840973).

136793139 is a wasteful number, since it uses less digits than its factorization.

136793139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5866.

The product of its digits is 91854, while the sum is 42.

The square root of 136793139 is about 11695.8599085317. The cubic root of 136793139 is about 515.2540789197.

The spelling of 136793139 in words is "one hundred thirty-six million, seven hundred ninety-three thousand, one hundred thirty-nine".