134521142 has 16 divisors (see below), whose sum is σ = 232270080. Its totient is φ = 57236328.

The previous prime is 134521141. The next prime is 134521147. The reversal of 134521142 is 241125431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134521141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32618 + ... + 36509.

It is an arithmetic number, because the mean of its divisors is an integer number (14516880).

Almost surely, 2^134521142 is an apocalyptic number.

134521142 is a deficient number, since it is larger than the sum of its proper divisors (97748938).

134521142 is a wasteful number, since it uses less digits than its factorization.

134521142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69275.

The product of its digits is 960, while the sum is 23.

The square root of 134521142 is about 11598.3249652698. The cubic root of 134521142 is about 512.3855204939.

Adding to 134521142 its reverse (241125431), we get a palindrome (375646573).

The spelling of 134521142 in words is "one hundred thirty-four million, five hundred twenty-one thousand, one hundred forty-two".