434139135 has 32 divisors (see below), whose sum is σ = 730399680. Its totient is φ = 219878400.

The previous prime is 434139133. The next prime is 434139157. The reversal of 434139135 is 531931434.

It is a happy number.

It is not a de Polignac number, because 434139135 - 2¹ = 434139133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 434139096 and 434139105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434139133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18355 + ... + 34715.

It is an arithmetic number, because the mean of its divisors is an integer number (22824990).

Almost surely, 2^434139135 is an apocalyptic number.

434139135 is a deficient number, since it is larger than the sum of its proper divisors (296260545).

434139135 is a wasteful number, since it uses less digits than its factorization.

434139135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16459.

The product of its digits is 19440, while the sum is 33.

The square root of 434139135 is about 20836.0057352651. The cubic root of 434139135 is about 757.1983266503.

The spelling of 434139135 in words is "four hundred thirty-four million, one hundred thirty-nine thousand, one hundred thirty-five".