140189729965 has 16 divisors (see below), whose sum is σ = 168518246400. Its totient is φ = 111958189632.

The previous prime is 140189729963. The next prime is 140189729993. The reversal of 140189729965 is 569927981041.

It is a cyclic number.

It is not a de Polignac number, because 140189729965 - 2¹ = 140189729963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140189729963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13233891 + ... + 13244479.

It is an arithmetic number, because the mean of its divisors is an integer number (10532390400).

Almost surely, 2^140189729965 is an apocalyptic number.

It is an amenable number.

140189729965 is a deficient number, since it is larger than the sum of its proper divisors (28328516435).

140189729965 is a wasteful number, since it uses less digits than its factorization.

140189729965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14916.

The product of its (nonzero) digits is 9797760, while the sum is 61.

The spelling of 140189729965 in words is "one hundred forty billion, one hundred eighty-nine million, seven hundred twenty-nine thousand, nine hundred sixty-five".