134983728 has 180 divisors, whose sum is σ = 425361664. Its totient is φ = 39916800.

The previous prime is 134983727. The next prime is 134983729. The reversal of 134983728 is 827389431.

It is an interprime number because it is at equal distance from previous prime (134983727) and next prime (134983729).

Its product of digits (290304) is a multiple of the sum of its prime factors (224).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134983727) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1062801 + ... + 1062927.

Almost surely, 2^134983728 is an apocalyptic number.

134983728 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 134983728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212680832).

134983728 is an abundant number, since it is smaller than the sum of its proper divisors (290377936).

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

134983728 is a wasteful number, since it uses less digits than its factorization.

134983728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224 (or 204 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 134983728 is about 11618.2497821316. The cubic root of 134983728 is about 512.9721722648.

The spelling of 134983728 in words is "one hundred thirty-four million, nine hundred eighty-three thousand, seven hundred twenty-eight".