134725142 has 4 divisors (see below), whose sum is σ = 202087716. Its totient is φ = 67362570.

The previous prime is 134725121. The next prime is 134725147. The reversal of 134725142 is 241527431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241527431 = 43 ⋅5616917.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134725147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33681284 + ... + 33681287.

It is an arithmetic number, because the mean of its divisors is an integer number (50521929).

Almost surely, 2^134725142 is an apocalyptic number.

134725142 is a deficient number, since it is larger than the sum of its proper divisors (67362574).

134725142 is an equidigital number, since it uses as much as digits as its factorization.

134725142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67362573.

The product of its digits is 6720, while the sum is 29.

The square root of 134725142 is about 11607.1160070019. The cubic root of 134725142 is about 512.6443988908.

The spelling of 134725142 in words is "one hundred thirty-four million, seven hundred twenty-five thousand, one hundred forty-two".