140744660553 has 48 divisors (see below), whose sum is σ = 240407481600. Its totient is φ = 77634345600.

The previous prime is 140744660533. The next prime is 140744660557. The reversal of 140744660553 is 355066447041.

140744660553 is a `hidden beast` number, since 140 + 7 + 446 + 60 + 5 + 5 + 3 = 666.

It is not a de Polignac number, because 140744660553 - 2⁶ = 140744660489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140744660499 and 140744660508.

It is not an unprimeable number, because it can be changed into a prime (140744660557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13860028 + ... + 13870178.

It is an arithmetic number, because the mean of its divisors is an integer number (5008489200).

Almost surely, 2^140744660553 is an apocalyptic number.

It is an amenable number.

140744660553 is a deficient number, since it is larger than the sum of its proper divisors (99662821047).

140744660553 is a wasteful number, since it uses less digits than its factorization.

140744660553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17782 (or 17779 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

The spelling of 140744660553 in words is "one hundred forty billion, seven hundred forty-four million, six hundred sixty thousand, five hundred fifty-three".