10139345 has 4 divisors (see below), whose sum is σ = 12167220. Its totient is φ = 8111472.

The previous prime is 10139333. The next prime is 10139351. The reversal of 10139345 is 54393101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5161984 + 4977361 = 2272^2 + 2231^2 .

It is a cyclic number.

It is not a de Polignac number, because 10139345 - 2⁴ = 10139329 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 1013930 + ... + 1013939.

It is an arithmetic number, because the mean of its divisors is an integer number (3041805).

Almost surely, 2^10139345 is an apocalyptic number.

It is an amenable number.

10139345 is a deficient number, since it is larger than the sum of its proper divisors (2027875).

10139345 is an equidigital number, since it uses as much as digits as its factorization.

10139345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2027874.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 10139345 is about 3184.2338167917. The cubic root of 10139345 is about 216.4395555811.

The spelling of 10139345 in words is "ten million, one hundred thirty-nine thousand, three hundred forty-five".