134243382 has 64 divisors (see below), whose sum is σ = 336752640. Its totient is φ = 34729344.

The previous prime is 134243381. The next prime is 134243449. The reversal of 134243382 is 283342431.

It is a super-2 number, since 2×134243382² = 36042571221595848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134243381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26619 + ... + 31257.

It is an arithmetic number, because the mean of its divisors is an integer number (5261760).

Almost surely, 2^134243382 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134243382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168376320).

134243382 is an abundant number, since it is smaller than the sum of its proper divisors (202509258).

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

134243382 is a wasteful number, since it uses less digits than its factorization.

134243382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4717.

The product of its digits is 13824, while the sum is 30.

The square root of 134243382 is about 11586.3446349571. The cubic root of 134243382 is about 512.0326186698.

The spelling of 134243382 in words is "one hundred thirty-four million, two hundred forty-three thousand, three hundred eighty-two".