1140656013 has 80 divisors (see below), whose sum is σ = 2070203520. Its totient is φ = 611380224.

The previous prime is 1140656009. The next prime is 1140656053. The reversal of 1140656013 is 3106560411.

1140656013 is a `hidden beast` number, since 1 + 1 + 4 + 0 + 656 + 0 + 1 + 3 = 666.

It is not a de Polignac number, because 1140656013 - 2² = 1140656009 is a prime.

It is a super-2 number, since 2×1140656013² = 2602192279986112338, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140656003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1216881 + ... + 1217817.

It is an arithmetic number, because the mean of its divisors is an integer number (25877544).

Almost surely, 2^1140656013 is an apocalyptic number.

It is an amenable number.

1140656013 is a deficient number, since it is larger than the sum of its proper divisors (929547507).

1140656013 is a wasteful number, since it uses less digits than its factorization.

1140656013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088 (or 1079 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1140656013 is about 33773.5993491958. The cubic root of 1140656013 is about 1044.8442685143.

The spelling of 1140656013 in words is "one billion, one hundred forty million, six hundred fifty-six thousand, thirteen".