134369928 has 160 divisors (see below), whose sum is σ = 469402560. Its totient is φ = 34888320.

The previous prime is 134369927. The next prime is 134369941. The reversal of 134369928 is 829963431.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (134369923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 48550 + ... + 51242.

It is an arithmetic number, because the mean of its divisors is an integer number (2933766).

Almost surely, 2^134369928 is an apocalyptic number.

134369928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134369928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234701280).

134369928 is an abundant number, since it is smaller than the sum of its proper divisors (335032632).

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

134369928 is a wasteful number, since it uses less digits than its factorization.

134369928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2729 (or 2716 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 134369928 is about 11591.8043461749. The cubic root of 134369928 is about 512.1934592002.

The spelling of 134369928 in words is "one hundred thirty-four million, three hundred sixty-nine thousand, nine hundred twenty-eight".