6136726321 has 16 divisors (see below), whose sum is σ = 6752030400. Its totient is φ = 5531198400.

The previous prime is 6136726313. The next prime is 6136726327. The reversal of 6136726321 is 1236276316.

It is a cyclic number.

It is not a de Polignac number, because 6136726321 - 2³ = 6136726313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6136726327) 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, 619435 + ... + 629263.

It is an arithmetic number, because the mean of its divisors is an integer number (422001900).

Almost surely, 2^6136726321 is an apocalyptic number.

It is an amenable number.

6136726321 is a deficient number, since it is larger than the sum of its proper divisors (615304079).

6136726321 is a wasteful number, since it uses less digits than its factorization.

6136726321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10320.

The product of its digits is 54432, while the sum is 37.

The square root of 6136726321 is about 78337.2601065419. The cubic root of 6136726321 is about 1830.8197349736.

The spelling of 6136726321 in words is "six billion, one hundred thirty-six million, seven hundred twenty-six thousand, three hundred twenty-one".