142256134 has 16 divisors (see below), whose sum is σ = 218045520. Its totient is φ = 69582240.

The previous prime is 142256123. The next prime is 142256143. The reversal of 142256134 is 431652241.

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 in 7 ways as a sum of consecutive naturals, for example, 38404 + ... + 41944.

It is an arithmetic number, because the mean of its divisors is an integer number (13627845).

Almost surely, 2^142256134 is an apocalyptic number.

142256134 is a deficient number, since it is larger than the sum of its proper divisors (75789386).

142256134 is a wasteful number, since it uses less digits than its factorization.

142256134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3975.

The product of its digits is 5760, while the sum is 28.

The square root of 142256134 is about 11927.1175897616. The cubic root of 142256134 is about 522.0238363968.

The spelling of 142256134 in words is "one hundred forty-two million, two hundred fifty-six thousand, one hundred thirty-four".