140172749073 has 64 divisors (see below), whose sum is σ = 255637094400. Its totient is φ = 74144600640.

The previous prime is 140172749063. The next prime is 140172749081. The reversal of 140172749073 is 370947271041.

140172749073 is a `hidden beast` number, since 140 + 17 + 2 + 7 + 490 + 7 + 3 = 666.

It is not a de Polignac number, because 140172749073 - 2¹⁰ = 140172748049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140172749053) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 385338 + ... + 654851.

It is an arithmetic number, because the mean of its divisors is an integer number (3994329600).

Almost surely, 2^140172749073 is an apocalyptic number.

It is an amenable number.

140172749073 is a deficient number, since it is larger than the sum of its proper divisors (115464345327).

140172749073 is a wasteful number, since it uses less digits than its factorization.

140172749073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040259 (or 1040253 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

The spelling of 140172749073 in words is "one hundred forty billion, one hundred seventy-two million, seven hundred forty-nine thousand, seventy-three".