140453554405 has 4 divisors (see below), whose sum is σ = 168544265292. Its totient is φ = 112362843520.

The previous prime is 140453554399. The next prime is 140453554469. The reversal of 140453554405 is 504455354041.

140453554405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16412940769 + 124040613636 = 128113^2 + 352194^2 .

It is a de Polignac number, because none of the positive numbers 2^k-140453554405 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14045355436 + ... + 14045355445.

It is an arithmetic number, because the mean of its divisors is an integer number (42136066323).

Almost surely, 2^140453554405 is an apocalyptic number.

It is an amenable number.

140453554405 is a deficient number, since it is larger than the sum of its proper divisors (28090710887).

140453554405 is an equidigital number, since it uses as much as digits as its factorization.

140453554405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28090710886.

The product of its (nonzero) digits is 480000, while the sum is 40.

The spelling of 140453554405 in words is "one hundred forty billion, four hundred fifty-three million, five hundred fifty-four thousand, four hundred five".