428329135 has 16 divisors (see below), whose sum is σ = 554129856. Its totient is φ = 315963648.

The previous prime is 428329133. The next prime is 428329211. The reversal of 428329135 is 531923824.

It is not a de Polignac number, because 428329135 - 2¹ = 428329133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 428329094 and 428329103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428329133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68302 + ... + 74308.

It is an arithmetic number, because the mean of its divisors is an integer number (34633116).

Almost surely, 2^428329135 is an apocalyptic number.

428329135 is a deficient number, since it is larger than the sum of its proper divisors (125800721).

428329135 is a wasteful number, since it uses less digits than its factorization.

428329135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7122.

The product of its digits is 51840, while the sum is 37.

The square root of 428329135 is about 20696.1140072237. The cubic root of 428329135 is about 753.8053325312.

The spelling of 428329135 in words is "four hundred twenty-eight million, three hundred twenty-nine thousand, one hundred thirty-five".