134442135 has 24 divisors (see below), whose sum is σ = 233404704. Its totient is φ = 71588160.

The previous prime is 134442131. The next prime is 134442149. The reversal of 134442135 is 531244431.

It is a happy number.

134442135 is a `hidden beast` number, since 1 + 3 + 444 + 213 + 5 = 666.

It is not a de Polignac number, because 134442135 - 2² = 134442131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 134442099 and 134442108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134442131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31425 + ... + 35445.

It is an arithmetic number, because the mean of its divisors is an integer number (9725196).

Almost surely, 2^134442135 is an apocalyptic number.

134442135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

134442135 is a deficient number, since it is larger than the sum of its proper divisors (98962569).

134442135 is a wasteful number, since it uses less digits than its factorization.

134442135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4775 (or 4772 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 134442135 is about 11594.9184990667. The cubic root of 134442135 is about 512.2851893735.

Adding to 134442135 its reverse (531244431), we get a palindrome (665686566).

The spelling of 134442135 in words is "one hundred thirty-four million, four hundred forty-two thousand, one hundred thirty-five".