134013220 has 48 divisors (see below), whose sum is σ = 309935808. Its totient is φ = 48268160.

The previous prime is 134013127. The next prime is 134013233. The reversal of 134013220 is 22310431.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 134013194 and 134013203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20694 + ... + 26386.

It is an arithmetic number, because the mean of its divisors is an integer number (6456996).

Almost surely, 2^134013220 is an apocalyptic number.

134013220 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 134013220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154967904).

134013220 is an abundant number, since it is smaller than the sum of its proper divisors (175922588).

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

134013220 is a wasteful number, since it uses less digits than its factorization.

134013220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5820 (or 5818 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 134013220 is about 11576.4079057366. The cubic root of 134013220 is about 511.7398224413.

Adding to 134013220 its reverse (22310431), we get a palindrome (156323651).

The spelling of 134013220 in words is "one hundred thirty-four million, thirteen thousand, two hundred twenty".