134442434 has 32 divisors (see below), whose sum is σ = 239500800. Its totient is φ = 55379520.

The previous prime is 134442431. The next prime is 134442457. The reversal of 134442434 is 434244431.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 134442397 and 134442406.

It is not an unprimeable number, because it can be changed into a prime (134442431) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 108599 + ... + 109829.

It is an arithmetic number, because the mean of its divisors is an integer number (7484400).

Almost surely, 2^134442434 is an apocalyptic number.

134442434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

134442434 is a deficient number, since it is larger than the sum of its proper divisors (105058366).

134442434 is a wasteful number, since it uses less digits than its factorization.

134442434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538.

The product of its digits is 18432, while the sum is 29.

The square root of 134442434 is about 11594.9313926388. The cubic root of 134442434 is about 512.2855691481.

Adding to 134442434 its reverse (434244431), we get a palindrome (568686865).

The spelling of 134442434 in words is "one hundred thirty-four million, four hundred forty-two thousand, four hundred thirty-four".