8135903 has 4 divisors (see below), whose sum is σ = 8177400. Its totient is φ = 8094408.

The previous prime is 8135899. The next prime is 8135927. The reversal of 8135903 is 3095318.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3095318 = 2 ⋅1547659.

It is a cyclic number.

It is not a de Polignac number, because 8135903 - 2² = 8135899 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8135983) 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, 20453 + ... + 20846.

It is an arithmetic number, because the mean of its divisors is an integer number (2044350).

Almost surely, 2^8135903 is an apocalyptic number.

8135903 is a deficient number, since it is larger than the sum of its proper divisors (41497).

8135903 is a wasteful number, since it uses less digits than its factorization.

8135903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41496.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 8135903 is about 2852.3504342910. The cubic root of 8135903 is about 201.1261717832.

The spelling of 8135903 in words is "eight million, one hundred thirty-five thousand, nine hundred three".