134285400 has 144 divisors (see below), whose sum is σ = 458742960. Its totient is φ = 35193600.

The previous prime is 134285387. The next prime is 134285413. The reversal of 134285400 is 4582431.

It is an interprime number because it is at equal distance from previous prime (134285387) and next prime (134285413).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 109189 + ... + 110411.

It is an arithmetic number, because the mean of its divisors is an integer number (3185715).

Almost surely, 2^134285400 is an apocalyptic number.

134285400 is a gapful number since it is divisible by the number (10) 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 134285400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229371480).

134285400 is an abundant number, since it is smaller than the sum of its proper divisors (324457560).

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

134285400 is a wasteful number, since it uses less digits than its factorization.

134285400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306 (or 1294 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 134285400 is about 11588.1577483222. The cubic root of 134285400 is about 512.0860349399.

The spelling of 134285400 in words is "one hundred thirty-four million, two hundred eighty-five thousand, four hundred".