319838142 has 16 divisors (see below), whose sum is σ = 688882320. Its totient is φ = 98411712.

The previous prime is 319838107. The next prime is 319838147. The reversal of 319838142 is 241838913.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 319838142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (319838147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2050167 + ... + 2050322.

It is an arithmetic number, because the mean of its divisors is an integer number (43055145).

Almost surely, 2^319838142 is an apocalyptic number.

319838142 is an abundant number, since it is smaller than the sum of its proper divisors (369044178).

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

319838142 is a wasteful number, since it uses less digits than its factorization.

319838142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4100507.

The product of its digits is 41472, while the sum is 39.

The square root of 319838142 is about 17884.0191791443. The cubic root of 319838142 is about 683.8750370188.

The spelling of 319838142 in words is "three hundred nineteen million, eight hundred thirty-eight thousand, one hundred forty-two".