134428959 has 12 divisors (see below), whose sum is σ = 221914576. Its totient is φ = 76816512.

The previous prime is 134428919. The next prime is 134428967. The reversal of 134428959 is 959824431.

134428959 is a `hidden beast` number, since 134 + 428 + 95 + 9 = 666.

It is not a de Polignac number, because 134428959 - 2⁷ = 134428831 is a prime.

It is a super-2 number, since 2×134428959² = 36142290035647362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134428909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1066834 + ... + 1066959.

Almost surely, 2^134428959 is an apocalyptic number.

134428959 is a deficient number, since it is larger than the sum of its proper divisors (87485617).

134428959 is a wasteful number, since it uses less digits than its factorization.

134428959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2133806 (or 2133803 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 134428959 is about 11594.3503052133. The cubic root of 134428959 is about 512.2684533252.

It can be divided in two parts, 1344 and 28959, that added together give a palindrome (30303).

The spelling of 134428959 in words is "one hundred thirty-four million, four hundred twenty-eight thousand, nine hundred fifty-nine".