134213112 has 160 divisors (see below), whose sum is σ = 432115200. Its totient is φ = 38491200.

The previous prime is 134213111. The next prime is 134213231. The reversal of 134213112 is 211312431.

It is a Harshad number since it is a multiple of its sum of digits (18).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134213111) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 134937 + ... + 135927.

It is an arithmetic number, because the mean of its divisors is an integer number (2700720).

Almost surely, 2^134213112 is an apocalyptic number.

134213112 is a gapful number since it is divisible by the number (12) 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 134213112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216057600).

134213112 is an abundant number, since it is smaller than the sum of its proper divisors (297902088).

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

134213112 is a wasteful number, since it uses less digits than its factorization.

134213112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039 (or 1026 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 134213112 is about 11585.0382821983. The cubic root of 134213112 is about 511.9941303852.

Adding to 134213112 its reverse (211312431), we get a palindrome (345525543).

The spelling of 134213112 in words is "one hundred thirty-four million, two hundred thirteen thousand, one hundred twelve".