140354504523 has 6 divisors (see below), whose sum is σ = 202734284324. Its totient is φ = 93569669676.

The previous prime is 140354504509. The next prime is 140354504527. The reversal of 140354504523 is 325405453041.

140354504523 is a `hidden beast` number, since 140 + 3 + 5 + 4 + 504 + 5 + 2 + 3 = 666.

It is not a de Polignac number, because 140354504523 - 2¹⁴ = 140354488139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140354504527) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7797472465 + ... + 7797472482.

Almost surely, 2^140354504523 is an apocalyptic number.

140354504523 is a deficient number, since it is larger than the sum of its proper divisors (62379779801).

140354504523 is a wasteful number, since it uses less digits than its factorization.

140354504523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15594944953 (or 15594944950 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 140354504523 its reverse (325405453041), we get a palindrome (465759957564).

The spelling of 140354504523 in words is "one hundred forty billion, three hundred fifty-four million, five hundred four thousand, five hundred twenty-three".