905243135 has 4 divisors (see below), whose sum is σ = 1086291768. Its totient is φ = 724194504.

The previous prime is 905243123. The next prime is 905243159. The reversal of 905243135 is 531342509.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 531342509 = 1051 ⋅505559.

It is a cyclic number.

It is not a de Polignac number, because 905243135 - 2⁶ = 905243071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90524309 + ... + 90524318.

It is an arithmetic number, because the mean of its divisors is an integer number (271572942).

Almost surely, 2^905243135 is an apocalyptic number.

905243135 is a deficient number, since it is larger than the sum of its proper divisors (181048633).

905243135 is a wasteful number, since it uses less digits than its factorization.

905243135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181048632.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 905243135 is about 30087.2586820401. The cubic root of 905243135 is about 967.3606411237.

The spelling of 905243135 in words is "nine hundred five million, two hundred forty-three thousand, one hundred thirty-five".