142004135 has 32 divisors (see below), whose sum is σ = 210494592. Its totient is φ = 89556480.

The previous prime is 142004129. The next prime is 142004141. The reversal of 142004135 is 531400241.

It is an interprime number because it is at equal distance from previous prime (142004129) and next prime (142004141).

It is not a de Polignac number, because 142004135 - 2¹² = 142000039 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209417 + ... + 210093.

It is an arithmetic number, because the mean of its divisors is an integer number (6577956).

Almost surely, 2^142004135 is an apocalyptic number.

142004135 is a deficient number, since it is larger than the sum of its proper divisors (68490457).

142004135 is a wasteful number, since it uses less digits than its factorization.

142004135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 142004135 is about 11916.5487872958. The cubic root of 142004135 is about 521.7154085979.

Adding to 142004135 its reverse (531400241), we get a palindrome (673404376).

The spelling of 142004135 in words is "one hundred forty-two million, four thousand, one hundred thirty-five".