6136902721 has 8 divisors (see below), whose sum is σ = 6303546144. Its totient is φ = 5972466720.

The previous prime is 6136902719. The next prime is 6136902731. The reversal of 6136902721 is 1272096316.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6136902721 - 2¹ = 6136902719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6136902731) 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, 546220 + ... + 557341.

It is an arithmetic number, because the mean of its divisors is an integer number (787943268).

Almost surely, 2^6136902721 is an apocalyptic number.

It is an amenable number.

6136902721 is a deficient number, since it is larger than the sum of its proper divisors (166643423).

6136902721 is a wasteful number, since it uses less digits than its factorization.

6136902721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103711.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 6136902721 is about 78338.3859994575. The cubic root of 6136902721 is about 1830.8372770902.

The spelling of 6136902721 in words is "six billion, one hundred thirty-six million, nine hundred two thousand, seven hundred twenty-one".