10139390 has 16 divisors (see below), whose sum is σ = 18433440. Its totient is φ = 4015200.

The previous prime is 10139383. The next prime is 10139399. The reversal of 10139390 is 9393101.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10139399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4010 + ... + 6029.

It is an arithmetic number, because the mean of its divisors is an integer number (1152090).

Almost surely, 2^10139390 is an apocalyptic number.

10139390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10139390 is a deficient number, since it is larger than the sum of its proper divisors (8294050).

10139390 is a wasteful number, since it uses less digits than its factorization.

10139390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10147.

The product of its (nonzero) digits is 729, while the sum is 26.

The square root of 10139390 is about 3184.2408828479. The cubic root of 10139390 is about 216.4398757781.

The spelling of 10139390 in words is "ten million, one hundred thirty-nine thousand, three hundred ninety".