289229137 has 8 divisors (see below), whose sum is σ = 297734976. Its totient is φ = 280804272.

The previous prime is 289229123. The next prime is 289229147. The reversal of 289229137 is 731922982.

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

It is a cyclic number.

It is not a de Polignac number, because 289229137 - 2¹¹ = 289227089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 289229093 and 289229102.

It is not an unprimeable number, because it can be changed into a prime (289229147) by changing a digit.

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, 12958 + ... + 27319.

It is an arithmetic number, because the mean of its divisors is an integer number (37216872).

Almost surely, 2^289229137 is an apocalyptic number.

It is an amenable number.

289229137 is a deficient number, since it is larger than the sum of its proper divisors (8505839).

289229137 is a wasteful number, since it uses less digits than its factorization.

289229137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40487.

The product of its digits is 108864, while the sum is 43.

The square root of 289229137 is about 17006.7379882210. The cubic root of 289229137 is about 661.3235888766.

The spelling of 289229137 in words is "two hundred eighty-nine million, two hundred twenty-nine thousand, one hundred thirty-seven".