6139422534 has 64 divisors (see below), whose sum is σ = 14873918976. Its totient is φ = 1649217024.

The previous prime is 6139422529. The next prime is 6139422571. The reversal of 6139422534 is 4352249316.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6139422492 and 6139422501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 776469 + ... + 784335.

It is an arithmetic number, because the mean of its divisors is an integer number (232404984).

Almost surely, 2^6139422534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6139422534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7436959488).

6139422534 is an abundant number, since it is smaller than the sum of its proper divisors (8734496442).

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

6139422534 is a wasteful number, since it uses less digits than its factorization.

6139422534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8989.

The product of its digits is 155520, while the sum is 39.

The square root of 6139422534 is about 78354.4672242751. The cubic root of 6139422534 is about 1831.0878234711.

The spelling of 6139422534 in words is "six billion, one hundred thirty-nine million, four hundred twenty-two thousand, five hundred thirty-four".