140455251513 has 6 divisors (see below), whose sum is σ = 202879807754. Its totient is φ = 93636834336.

The previous prime is 140455251473. The next prime is 140455251551. The reversal of 140455251513 is 315152554041.

140455251513 is a `hidden beast` number, since 1 + 4 + 0 + 4 + 552 + 51 + 51 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 99015320889 + 41439930624 = 314667^2 + 203568^2 .

It is not a de Polignac number, because 140455251513 - 2¹⁰ = 140455250489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140455251113) 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 5 ways as a sum of consecutive naturals, for example, 7803069520 + ... + 7803069537.

Almost surely, 2^140455251513 is an apocalyptic number.

It is an amenable number.

140455251513 is a deficient number, since it is larger than the sum of its proper divisors (62424556241).

140455251513 is a wasteful number, since it uses less digits than its factorization.

140455251513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15606139063 (or 15606139060 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The spelling of 140455251513 in words is "one hundred forty billion, four hundred fifty-five million, two hundred fifty-one thousand, five hundred thirteen".