134343442 has 16 divisors (see below), whose sum is σ = 205338240. Its totient is φ = 65905488.

The previous prime is 134343439. The next prime is 134343463. The reversal of 134343442 is 244343431.

It is a self number, because there is not a number n which added to its sum of digits gives 134343442.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34183 + ... + 37909.

It is an arithmetic number, because the mean of its divisors is an integer number (12833640).

Almost surely, 2^134343442 is an apocalyptic number.

134343442 is a deficient number, since it is larger than the sum of its proper divisors (70994798).

134343442 is a wasteful number, since it uses less digits than its factorization.

134343442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4065.

The product of its digits is 13824, while the sum is 28.

The square root of 134343442 is about 11590.6618447783. The cubic root of 134343442 is about 512.1598037348.

Adding to 134343442 its reverse (244343431), we get a palindrome (378686873).

The spelling of 134343442 in words is "one hundred thirty-four million, three hundred forty-three thousand, four hundred forty-two".