10139968 has 28 divisors (see below), whose sum is σ = 20555712. Its totient is φ = 4960640.

The previous prime is 10139953. The next prime is 10139989. The reversal of 10139968 is 86993101.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

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, 1323 + ... + 4693.

Almost surely, 2^10139968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10139968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10277856).

10139968 is an abundant number, since it is smaller than the sum of its proper divisors (10415744).

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

10139968 is an equidigital number, since it uses as much as digits as its factorization.

10139968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3430 (or 3420 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 10139968 is about 3184.3316410198. The cubic root of 10139968 is about 216.4439884473.

The spelling of 10139968 in words is "ten million, one hundred thirty-nine thousand, nine hundred sixty-eight".