140535405123 has 8 divisors (see below), whose sum is σ = 187564070736. Its totient is φ = 93598504800.

The previous prime is 140535405089. The next prime is 140535405151. The reversal of 140535405123 is 321504535041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140535405123 - 2¹⁰ = 140535404099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140535405173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22937748 + ... + 22943873.

It is an arithmetic number, because the mean of its divisors is an integer number (23445508842).

Almost surely, 2^140535405123 is an apocalyptic number.

140535405123 is a deficient number, since it is larger than the sum of its proper divisors (47028665613).

140535405123 is a wasteful number, since it uses less digits than its factorization.

140535405123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45882645.

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 140535405123 in words is "one hundred forty billion, five hundred thirty-five million, four hundred five thousand, one hundred twenty-three".