140642456013 has 48 divisors (see below), whose sum is σ = 222403255360. Its totient is φ = 85338489600.

The previous prime is 140642455979. The next prime is 140642456063. The reversal of 140642456013 is 310654246041.

140642456013 is a `hidden beast` number, since 1 + 4 + 0 + 6 + 4 + 2 + 45 + 601 + 3 = 666.

It is not a de Polignac number, because 140642456013 - 2⁸ = 140642455757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140642456063) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 291753 + ... + 605313.

Almost surely, 2^140642456013 is an apocalyptic number.

It is an amenable number.

140642456013 is a deficient number, since it is larger than the sum of its proper divisors (81760799347).

140642456013 is a wasteful number, since it uses less digits than its factorization.

140642456013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313690 (or 313687 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 140642456013 in words is "one hundred forty billion, six hundred forty-two million, four hundred fifty-six thousand, thirteen".