1140656349 has 24 divisors (see below), whose sum is σ = 1772484768. Its totient is φ = 650586720.

The previous prime is 1140656347. The next prime is 1140656357. The reversal of 1140656349 is 9436560411.

It is not a de Polignac number, because 1140656349 - 2¹ = 1140656347 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140656347) 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 23 ways as a sum of consecutive naturals, for example, 74914 + ... + 88844.

It is an arithmetic number, because the mean of its divisors is an integer number (73853532).

Almost surely, 2^1140656349 is an apocalyptic number.

It is an amenable number.

1140656349 is a deficient number, since it is larger than the sum of its proper divisors (631828419).

1140656349 is a wasteful number, since it uses less digits than its factorization.

1140656349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14505 (or 14498 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 1140656349 is about 33773.6043234950. The cubic root of 1140656349 is about 1044.8443711066.

The spelling of 1140656349 in words is "one billion, one hundred forty million, six hundred fifty-six thousand, three hundred forty-nine".