1136868657 has 8 divisors (see below), whose sum is σ = 1516875360. Its totient is φ = 757387200.

The previous prime is 1136868647. The next prime is 1136868683. The reversal of 1136868657 is 7568686311.

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

It is not a de Polignac number, because 1136868657 - 2⁴ = 1136868641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1136868617) 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, 126232 + ... + 134937.

It is an arithmetic number, because the mean of its divisors is an integer number (189609420).

Almost surely, 2^1136868657 is an apocalyptic number.

It is an amenable number.

1136868657 is a deficient number, since it is larger than the sum of its proper divisors (380006703).

1136868657 is a wasteful number, since it uses less digits than its factorization.

1136868657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262623.

The product of its digits is 1451520, while the sum is 51.

The square root of 1136868657 is about 33717.4829576586. The cubic root of 1136868657 is about 1043.6865765088.

The spelling of 1136868657 in words is "one billion, one hundred thirty-six million, eight hundred sixty-eight thousand, six hundred fifty-seven".