1136780788 has 48 divisors (see below), whose sum is σ = 2412587520. Its totient is φ = 461577600.

The previous prime is 1136780779. The next prime is 1136780797. The reversal of 1136780788 is 8870876311.

It is an interprime number because it is at equal distance from previous prime (1136780779) and next prime (1136780797).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14323 + ... + 49786.

It is an arithmetic number, because the mean of its divisors is an integer number (50262240).

Almost surely, 2^1136780788 is an apocalyptic number.

It is an amenable number.

1136780788 is an abundant number, since it is smaller than the sum of its proper divisors (1275806732).

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

1136780788 is a wasteful number, since it uses less digits than its factorization.

1136780788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64168 (or 64166 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 49.

The square root of 1136780788 is about 33716.1799141006. The cubic root of 1136780788 is about 1043.6596868418.

The spelling of 1136780788 in words is "one billion, one hundred thirty-six million, seven hundred eighty thousand, seven hundred eighty-eight".