134442210 has 64 divisors (see below), whose sum is σ = 371526912. Its totient is φ = 30498816.

The previous prime is 134442197. The next prime is 134442221. The reversal of 134442210 is 12244431.

134442210 = T₂₅₂ + T₂₅₃ + ... + T₉₃₆.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26434 + ... + 31106.

It is an arithmetic number, because the mean of its divisors is an integer number (5805108).

Almost surely, 2^134442210 is an apocalyptic number.

134442210 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 134442210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185763456).

134442210 is an abundant number, since it is smaller than the sum of its proper divisors (237084702).

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

134442210 is a wasteful number, since it uses less digits than its factorization.

134442210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4827.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 134442210 is about 11594.9217332417. The cubic root of 134442210 is about 512.2852846347.

Adding to 134442210 its reverse (12244431), we get a palindrome (146686641).

The spelling of 134442210 in words is "one hundred thirty-four million, four hundred forty-two thousand, two hundred ten".