6139436352 has 56 divisors (see below), whose sum is σ = 18564490176. Its totient is φ = 1754124288.

The previous prime is 6139436341. The next prime is 6139436353. The reversal of 6139436352 is 2536349316.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6139436353) 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, 2282673 + ... + 2285360.

Almost surely, 2^6139436352 is an apocalyptic number.

It is an amenable number.

6139436352 is an abundant number, since it is smaller than the sum of its proper divisors (12425053824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6139436352 is a wasteful number, since it uses less digits than its factorization.

6139436352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4568055 (or 4568045 counting only the distinct ones).

The product of its digits is 349920, while the sum is 42.

The square root of 6139436352 is about 78354.5554004360. Note that the first 3 decimals coincide. The cubic root of 6139436352 is about 1831.0891972133.

The spelling of 6139436352 in words is "six billion, one hundred thirty-nine million, four hundred thirty-six thousand, three hundred fifty-two".