10139208 has 32 divisors (see below), whose sum is σ = 26840160. Its totient is φ = 3180800.

The previous prime is 10139203. The next prime is 10139231. The reversal of 10139208 is 80293101.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (10139203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12018 + ... + 12833.

It is an arithmetic number, because the mean of its divisors is an integer number (838755).

Almost surely, 2^10139208 is an apocalyptic number.

It is an amenable number.

10139208 is an abundant number, since it is smaller than the sum of its proper divisors (16700952).

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

10139208 is a wasteful number, since it uses less digits than its factorization.

10139208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24877 (or 24873 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 10139208 is about 3184.2123044797. The cubic root of 10139208 is about 216.4385807531.

The spelling of 10139208 in words is "ten million, one hundred thirty-nine thousand, two hundred eight".