1140551656 has 16 divisors (see below), whose sum is σ = 2174781600. Its totient is φ = 560609904.

The previous prime is 1140551647. The next prime is 1140551681. The reversal of 1140551656 is 6561550411.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1207740 + ... + 1208683.

It is an arithmetic number, because the mean of its divisors is an integer number (135923850).

Almost surely, 2^1140551656 is an apocalyptic number.

It is an amenable number.

1140551656 is a deficient number, since it is larger than the sum of its proper divisors (1034229944).

1140551656 is a wasteful number, since it uses less digits than its factorization.

1140551656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2416488 (or 2416484 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 34.

The square root of 1140551656 is about 33772.0543645186. The cubic root of 1140551656 is about 1044.8124037693.

The spelling of 1140551656 in words is "one billion, one hundred forty million, five hundred fifty-one thousand, six hundred fifty-six".