1138014289 has 8 divisors (see below), whose sum is σ = 1208537928. Its totient is φ = 1067888640.

The previous prime is 1138014287. The next prime is 1138014331. The reversal of 1138014289 is 9824108311.

It can be written as a sum of positive squares in 4 ways, for example, as 420578064 + 717436225 = 20508^2 + 26785^2 .

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 1138014289 - 2¹ = 1138014287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1138014287) 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, 93592 + ... + 105049.

It is an arithmetic number, because the mean of its divisors is an integer number (151067241).

Almost surely, 2^1138014289 is an apocalyptic number.

It is an amenable number.

1138014289 is a deficient number, since it is larger than the sum of its proper divisors (70523639).

1138014289 is a wasteful number, since it uses less digits than its factorization.

1138014289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198995.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 1138014289 is about 33734.4673738893. The cubic root of 1138014289 is about 1044.0370360290.

The spelling of 1138014289 in words is "one billion, one hundred thirty-eight million, fourteen thousand, two hundred eighty-nine".