140518051839 has 48 divisors (see below), whose sum is σ = 222599430144. Its totient is φ = 84710404800.

The previous prime is 140518051823. The next prime is 140518051889. The reversal of 140518051839 is 938150815041.

140518051839 is a `hidden beast` number, since 1 + 4 + 0 + 51 + 80 + 518 + 3 + 9 = 666.

It is not a de Polignac number, because 140518051839 - 2⁴ = 140518051823 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140518051794 and 140518051803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140518051889) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41436834 + ... + 41440224.

It is an arithmetic number, because the mean of its divisors is an integer number (4637488128).

Almost surely, 2^140518051839 is an apocalyptic number.

140518051839 is a deficient number, since it is larger than the sum of its proper divisors (82081378305).

140518051839 is a wasteful number, since it uses less digits than its factorization.

140518051839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5508 (or 5505 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 45.

The spelling of 140518051839 in words is "one hundred forty billion, five hundred eighteen million, fifty-one thousand, eight hundred thirty-nine".