10135439 has 4 divisors (see below), whose sum is σ = 10163424. Its totient is φ = 10107456.

The previous prime is 10135423. The next prime is 10135469. The reversal of 10135439 is 93453101.

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

It is a cyclic number.

It is not a de Polignac number, because 10135439 - 2⁴ = 10135423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10135469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13442 + ... + 14175.

It is an arithmetic number, because the mean of its divisors is an integer number (2540856).

Almost surely, 2^10135439 is an apocalyptic number.

10135439 is a deficient number, since it is larger than the sum of its proper divisors (27985).

10135439 is an equidigital number, since it uses as much as digits as its factorization.

10135439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27984.

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

The square root of 10135439 is about 3183.6204233545. The cubic root of 10135439 is about 216.4117588648.

The spelling of 10135439 in words is "ten million, one hundred thirty-five thousand, four hundred thirty-nine".