136933639389 has 24 divisors (see below), whose sum is σ = 200008380000. Its totient is φ = 90269989920.

The previous prime is 136933639361. The next prime is 136933639393. The reversal of 136933639389 is 983936339631.

136933639389 is a `hidden beast` number, since 136 + 9 + 3 + 36 + 393 + 89 = 666.

It is not a de Polignac number, because 136933639389 - 2⁷ = 136933639261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136933639399) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 349654 + ... + 629384.

It is an arithmetic number, because the mean of its divisors is an integer number (8333682500).

Almost surely, 2^136933639389 is an apocalyptic number.

It is an amenable number.

136933639389 is a deficient number, since it is larger than the sum of its proper divisors (63074740611).

136933639389 is a wasteful number, since it uses less digits than its factorization.

136933639389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280345 (or 280342 counting only the distinct ones).

The product of its digits is 51018336, while the sum is 63.

The spelling of 136933639389 in words is "one hundred thirty-six billion, nine hundred thirty-three million, six hundred thirty-nine thousand, three hundred eighty-nine".