140254838 has 8 divisors (see below), whose sum is σ = 210969360. Its totient is φ = 69931720.

The previous prime is 140254823. The next prime is 140254841. The reversal of 140254838 is 838452041.

140254838 is digitally balanced in base 2, 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 junction number, because it is equal to n+sod(n) for n = 140254798 and 140254807.

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, 96953 + ... + 98388.

It is an arithmetic number, because the mean of its divisors is an integer number (26371170).

Almost surely, 2^140254838 is an apocalyptic number.

140254838 is a deficient number, since it is larger than the sum of its proper divisors (70714522).

140254838 is a wasteful number, since it uses less digits than its factorization.

140254838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195702.

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 140254838 is about 11842.9235410856. The cubic root of 140254838 is about 519.5642775029.

The spelling of 140254838 in words is "one hundred forty million, two hundred fifty-four thousand, eight hundred thirty-eight".