140388630838 has 8 divisors (see below), whose sum is σ = 211169529360. Its totient is φ = 69998787720.

The previous prime is 140388630793. The next prime is 140388630847. The reversal of 140388630838 is 838036883041.

140388630838 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97762953 + ... + 97764388.

It is an arithmetic number, because the mean of its divisors is an integer number (26396191170).

Almost surely, 2^140388630838 is an apocalyptic number.

140388630838 is a deficient number, since it is larger than the sum of its proper divisors (70780898522).

140388630838 is a wasteful number, since it uses less digits than its factorization.

140388630838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195527702.

The product of its (nonzero) digits is 2654208, while the sum is 52.

The spelling of 140388630838 in words is "one hundred forty billion, three hundred eighty-eight million, six hundred thirty thousand, eight hundred thirty-eight".