428694135 has 16 divisors (see below), whose sum is σ = 686289120. Its totient is φ = 228510720.

The previous prime is 428694107. The next prime is 428694187. The reversal of 428694135 is 531496824.

It is not a de Polignac number, because 428694135 - 2¹⁴ = 428677751 is a prime.

It is a super-2 number, since 2×428694135² = 367557322766796450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24495 + ... + 38175.

It is an arithmetic number, because the mean of its divisors is an integer number (42893070).

Almost surely, 2^428694135 is an apocalyptic number.

428694135 is a deficient number, since it is larger than the sum of its proper divisors (257594985).

428694135 is a wasteful number, since it uses less digits than its factorization.

428694135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15778.

The product of its digits is 207360, while the sum is 42.

The square root of 428694135 is about 20704.9302099766. The cubic root of 428694135 is about 754.0193897501.

The spelling of 428694135 in words is "four hundred twenty-eight million, six hundred ninety-four thousand, one hundred thirty-five".