140794805451 has 16 divisors (see below), whose sum is σ = 188557684128. Its totient is φ = 93447782400.

The previous prime is 140794805441. The next prime is 140794805453. The reversal of 140794805451 is 154508497041.

It is not a de Polignac number, because 140794805451 - 2⁵ = 140794805419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140794805451.

It is not an unprimeable number, because it can be changed into a prime (140794805453) 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, 2780875 + ... + 2831051.

It is an arithmetic number, because the mean of its divisors is an integer number (11784855258).

Almost surely, 2^140794805451 is an apocalyptic number.

140794805451 is a deficient number, since it is larger than the sum of its proper divisors (47762878677).

140794805451 is a wasteful number, since it uses less digits than its factorization.

140794805451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54302.

The product of its (nonzero) digits is 806400, while the sum is 48.

The spelling of 140794805451 in words is "one hundred forty billion, seven hundred ninety-four million, eight hundred five thousand, four hundred fifty-one".