289126142 has 8 divisors (see below), whose sum is σ = 436085832. Its totient is φ = 143764200.

The previous prime is 289126141. The next prime is 289126171. The reversal of 289126142 is 241621982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289126141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398984 + ... + 399707.

It is an arithmetic number, because the mean of its divisors is an integer number (54510729).

Almost surely, 2^289126142 is an apocalyptic number.

289126142 is a deficient number, since it is larger than the sum of its proper divisors (146959690).

289126142 is a wasteful number, since it uses less digits than its factorization.

289126142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798874.

The product of its digits is 13824, while the sum is 35.

The square root of 289126142 is about 17003.7096540725. The cubic root of 289126142 is about 661.2450800625.

The spelling of 289126142 in words is "two hundred eighty-nine million, one hundred twenty-six thousand, one hundred forty-two".