134340210 has 48 divisors (see below), whose sum is σ = 351103896. Its totient is φ = 35637504.

The previous prime is 134340197. The next prime is 134340223. The reversal of 134340210 is 12043431.

It is an interprime number because it is at equal distance from previous prime (134340197) and next prime (134340223).

It can be written as a sum of positive squares in 4 ways, for example, as 104101209 + 30239001 = 10203^2 + 5499^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13942 + ... + 21518.

Almost surely, 2^134340210 is an apocalyptic number.

134340210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 134340210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175551948).

134340210 is an abundant number, since it is smaller than the sum of its proper divisors (216763686).

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

134340210 is a wasteful number, since it uses less digits than its factorization.

134340210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7787 (or 7784 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 134340210 is about 11590.5224213579. The cubic root of 134340210 is about 512.1556965655.

Adding to 134340210 its reverse (12043431), we get a palindrome (146383641).

The spelling of 134340210 in words is "one hundred thirty-four million, three hundred forty thousand, two hundred ten".