134969428 has 48 divisors (see below), whose sum is σ = 270635904. Its totient is φ = 58298240.

The previous prime is 134969413. The next prime is 134969441. The reversal of 134969428 is 824969431.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199026 + ... + 199702.

It is an arithmetic number, because the mean of its divisors is an integer number (5638248).

Almost surely, 2^134969428 is an apocalyptic number.

It is an amenable number.

134969428 is an abundant number, since it is smaller than the sum of its proper divisors (135666476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134969428 is a wasteful number, since it uses less digits than its factorization.

134969428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912 (or 910 counting only the distinct ones).

The product of its digits is 373248, while the sum is 46.

The square root of 134969428 is about 11617.6343547213. The cubic root of 134969428 is about 512.9540570909.

The spelling of 134969428 in words is "one hundred thirty-four million, nine hundred sixty-nine thousand, four hundred twenty-eight".