134332220 has 48 divisors (see below), whose sum is σ = 308756448. Its totient is φ = 48687360.

The previous prime is 134332201. The next prime is 134332229. The reversal of 134332220 is 22233431.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 134332192 and 134332201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134332229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81242 + ... + 82878.

It is an arithmetic number, because the mean of its divisors is an integer number (6432426).

Almost surely, 2^134332220 is an apocalyptic number.

134332220 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 134332220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154378224).

134332220 is an abundant number, since it is smaller than the sum of its proper divisors (174424228).

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

134332220 is a wasteful number, since it uses less digits than its factorization.

134332220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2030 (or 2028 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 134332220 is about 11590.1777380677. The cubic root of 134332220 is about 512.1455427301.

Adding to 134332220 its reverse (22233431), we get a palindrome (156565651).

The spelling of 134332220 in words is "one hundred thirty-four million, three hundred thirty-two thousand, two hundred twenty".