1136868645 has 32 divisors (see below), whose sum is σ = 2006674560. Its totient is φ = 545008640.

The previous prime is 1136868641. The next prime is 1136868647. The reversal of 1136868645 is 5468686311.

It is not a de Polignac number, because 1136868645 - 2² = 1136868641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1136868594 and 1136868603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1136868641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24024 + ... + 53393.

It is an arithmetic number, because the mean of its divisors is an integer number (62708580).

Almost surely, 2^1136868645 is an apocalyptic number.

1136868645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1136868645 is a deficient number, since it is larger than the sum of its proper divisors (869805915).

1136868645 is a wasteful number, since it uses less digits than its factorization.

1136868645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77525.

The product of its digits is 829440, while the sum is 48.

The square root of 1136868645 is about 33717.4827797094. The cubic root of 1136868645 is about 1043.6865728366.

The spelling of 1136868645 in words is "one billion, one hundred thirty-six million, eight hundred sixty-eight thousand, six hundred forty-five".