135351142 has 4 divisors (see below), whose sum is σ = 203026716. Its totient is φ = 67675570.

The previous prime is 135351121. The next prime is 135351157. The reversal of 135351142 is 241153531.

It is a happy number.

135351142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 33837784 + ... + 33837787.

It is an arithmetic number, because the mean of its divisors is an integer number (50756679).

Almost surely, 2^135351142 is an apocalyptic number.

135351142 is a deficient number, since it is larger than the sum of its proper divisors (67675574).

135351142 is an equidigital number, since it uses as much as digits as its factorization.

135351142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67675573.

The product of its digits is 1800, while the sum is 25.

The square root of 135351142 is about 11634.0509711794. The cubic root of 135351142 is about 513.4371725432.

The spelling of 135351142 in words is "one hundred thirty-five million, three hundred fifty-one thousand, one hundred forty-two".