56140135569 has 24 divisors (see below), whose sum is σ = 93945318272. Its totient is φ = 31640621760.

The previous prime is 56140135549. The next prime is 56140135619. The reversal of 56140135569 is 96553104165.

56140135569 is a `hidden beast` number, since 56 + 1 + 4 + 0 + 1 + 35 + 569 = 666.

It is not a de Polignac number, because 56140135569 - 2⁹ = 56140135057 is a prime.

It is a super-2 number, since 2×56140135569² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56140135549) 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, 6098917 + ... + 6108114.

Almost surely, 2^56140135569 is an apocalyptic number.

It is an amenable number.

56140135569 is a deficient number, since it is larger than the sum of its proper divisors (37805182703).

56140135569 is a wasteful number, since it uses less digits than its factorization.

56140135569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12207117 (or 12207114 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 45.

The spelling of 56140135569 in words is "fifty-six billion, one hundred forty million, one hundred thirty-five thousand, five hundred sixty-nine".