140169893943 has 32 divisors (see below), whose sum is σ = 202449521664. Its totient is φ = 85928435712.

The previous prime is 140169893921. The next prime is 140169893953. The reversal of 140169893943 is 349398961041.

It is not a de Polignac number, because 140169893943 - 2⁶ = 140169893879 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140169893953) 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 31 ways as a sum of consecutive naturals, for example, 1332396 + ... + 1433742.

It is an arithmetic number, because the mean of its divisors is an integer number (6326547552).

Almost surely, 2^140169893943 is an apocalyptic number.

140169893943 is a deficient number, since it is larger than the sum of its proper divisors (62279627721).

140169893943 is a wasteful number, since it uses less digits than its factorization.

140169893943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101991.

The product of its (nonzero) digits is 5038848, while the sum is 57.

The spelling of 140169893943 in words is "one hundred forty billion, one hundred sixty-nine million, eight hundred ninety-three thousand, nine hundred forty-three".