10139434 has 8 divisors (see below), whose sum is σ = 15230628. Its totient is φ = 5062560.

The previous prime is 10139431. The next prime is 10139447. The reversal of 10139434 is 43493101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9941409 + 198025 = 3153^2 + 445^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 10139399 and 10139408.

It is not an unprimeable number, because it can be changed into a prime (10139431) by changing a digit.

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, 1587 + ... + 4774.

Almost surely, 2^10139434 is an apocalyptic number.

10139434 is a deficient number, since it is larger than the sum of its proper divisors (5091194).

10139434 is an equidigital number, since it uses as much as digits as its factorization.

10139434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7160.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 10139434 is about 3184.2477918655. The cubic root of 10139434 is about 216.4401888588.

The spelling of 10139434 in words is "ten million, one hundred thirty-nine thousand, four hundred thirty-four".