134867220 has 96 divisors (see below), whose sum is σ = 393254400. Its totient is φ = 34504704.

The previous prime is 134867207. The next prime is 134867231. The reversal of 134867220 is 22768431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 174996 + ... + 175764.

It is an arithmetic number, because the mean of its divisors is an integer number (4096400).

Almost surely, 2^134867220 is an apocalyptic number.

134867220 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 134867220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196627200).

134867220 is an abundant number, since it is smaller than the sum of its proper divisors (258387180).

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

134867220 is a wasteful number, since it uses less digits than its factorization.

134867220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897 (or 895 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 134867220 is about 11613.2346915061. The cubic root of 134867220 is about 512.8245431987.

It can be divided in two parts, 13486 and 7220, that added together give a triangular number (20706 = T₂₀₃).

The spelling of 134867220 in words is "one hundred thirty-four million, eight hundred sixty-seven thousand, two hundred twenty".