769318140 has 24 divisors (see below), whose sum is σ = 2154090960. Its totient is φ = 205151488.

The previous prime is 769318129. The next prime is 769318159. The reversal of 769318140 is 41813967.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6410925 + ... + 6411044.

It is an arithmetic number, because the mean of its divisors is an integer number (89753790).

Almost surely, 2^769318140 is an apocalyptic number.

It is an amenable number.

769318140 is an abundant number, since it is smaller than the sum of its proper divisors (1384772820).

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

769318140 is a wasteful number, since it uses less digits than its factorization.

769318140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12821981 (or 12821979 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 769318140 is about 27736.5848654805. The cubic root of 769318140 is about 916.2950159877.

The spelling of 769318140 in words is "seven hundred sixty-nine million, three hundred eighteen thousand, one hundred forty".