10139830 has 16 divisors (see below), whose sum is σ = 18676944. Its totient is φ = 3961440.

The previous prime is 10139809. The next prime is 10139867. The reversal of 10139830 is 3893101.

It is a junction number, because it is equal to n+sod(n) for n = 10139795 and 10139804.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11361 + ... + 12220.

It is an arithmetic number, because the mean of its divisors is an integer number (1167309).

Almost surely, 2^10139830 is an apocalyptic number.

10139830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10139830 is a deficient number, since it is larger than the sum of its proper divisors (8537114).

10139830 is a wasteful number, since it uses less digits than its factorization.

10139830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23631.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 10139830 is about 3184.3099723488. The cubic root of 10139830 is about 216.4430065440.

The spelling of 10139830 in words is "ten million, one hundred thirty-nine thousand, eight hundred thirty".