142140594 has 16 divisors (see below), whose sum is σ = 289645632. Its totient is φ = 46486128.

The previous prime is 142140533. The next prime is 142140613. The reversal of 142140594 is 495041241.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 223174 + ... + 223809.

It is an arithmetic number, because the mean of its divisors is an integer number (18102852).

Almost surely, 2^142140594 is an apocalyptic number.

142140594 is an abundant number, since it is smaller than the sum of its proper divisors (147505038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142140594 is a wasteful number, since it uses less digits than its factorization.

142140594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447041.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 142140594 is about 11922.2730215341. The cubic root of 142140594 is about 521.8824693924.

The spelling of 142140594 in words is "one hundred forty-two million, one hundred forty thousand, five hundred ninety-four".