1140785736 has 32 divisors (see below), whose sum is σ = 2859757440. Its totient is φ = 379222848.

The previous prime is 1140785729. The next prime is 1140785747. The reversal of 1140785736 is 6375870411.

It is a super-2 number, since 2×1140785736² = 2602784190922123392, which contains 22 as substring.

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, 55951 + ... + 73566.

It is an arithmetic number, because the mean of its divisors is an integer number (89367420).

Almost surely, 2^1140785736 is an apocalyptic number.

It is an amenable number.

1140785736 is an abundant number, since it is smaller than the sum of its proper divisors (1718971704).

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

1140785736 is a wasteful number, since it uses less digits than its factorization.

1140785736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129893 (or 129889 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 1140785736 is about 33775.5197739428. The cubic root of 1140785736 is about 1044.8838758962.

The spelling of 1140785736 in words is "one billion, one hundred forty million, seven hundred eighty-five thousand, seven hundred thirty-six".