36139323729 has 16 divisors (see below), whose sum is σ = 48577904640. Its totient is φ = 23897541840.

The previous prime is 36139323719. The next prime is 36139323751. The reversal of 36139323729 is 92732393163.

It is not a de Polignac number, because 36139323729 - 2³² = 31844356433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36139323719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107952 + ... + 289710.

It is an arithmetic number, because the mean of its divisors is an integer number (3036119040).

Almost surely, 2^36139323729 is an apocalyptic number.

It is an amenable number.

36139323729 is a deficient number, since it is larger than the sum of its proper divisors (12438580911).

36139323729 is a wasteful number, since it uses less digits than its factorization.

36139323729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182300.

The product of its digits is 1102248, while the sum is 48.

The spelling of 36139323729 in words is "thirty-six billion, one hundred thirty-nine million, three hundred twenty-three thousand, seven hundred twenty-nine".