1139002459 has 8 divisors (see below), whose sum is σ = 1302828768. Its totient is φ = 975454080.

The previous prime is 1139002457. The next prime is 1139002471. The reversal of 1139002459 is 9542009311.

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 1139002459 - 2¹ = 1139002457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1139002451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60622 + ... + 77155.

It is an arithmetic number, because the mean of its divisors is an integer number (162853596).

Almost surely, 2^1139002459 is an apocalyptic number.

1139002459 is a deficient number, since it is larger than the sum of its proper divisors (163826309).

1139002459 is a wasteful number, since it uses less digits than its factorization.

1139002459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138965.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 1139002459 is about 33749.1104919819. The cubic root of 1139002459 is about 1044.3391375690.

The spelling of 1139002459 in words is "one billion, one hundred thirty-nine million, two thousand, four hundred fifty-nine".