140108838 has 8 divisors (see below), whose sum is σ = 280217688. Its totient is φ = 46702944.

The previous prime is 140108819. The next prime is 140108851. The reversal of 140108838 is 838801041.

It is a happy number.

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

140108838 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 140108799 and 140108808.

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, 11675731 + ... + 11675742.

It is an arithmetic number, because the mean of its divisors is an integer number (35027211).

Almost surely, 2^140108838 is an apocalyptic number.

140108838 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140108838 is a wasteful number, since it uses less digits than its factorization.

140108838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23351478.

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 140108838 is about 11836.7579176056. The cubic root of 140108838 is about 519.3839326343.

Adding to 140108838 its reverse (838801041), we get a palindrome (978909879).

The spelling of 140108838 in words is "one hundred forty million, one hundred eight thousand, eight hundred thirty-eight".