1139659223 has 4 divisors (see below), whose sum is σ = 1189209648. Its totient is φ = 1090108800.

The previous prime is 1139659219. The next prime is 1139659249. The reversal of 1139659223 is 3229569311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1139659223 - 2² = 1139659219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1139659823) 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, 24775178 + ... + 24775223.

It is an arithmetic number, because the mean of its divisors is an integer number (297302412).

Almost surely, 2^1139659223 is an apocalyptic number.

1139659223 is a deficient number, since it is larger than the sum of its proper divisors (49550425).

1139659223 is an equidigital number, since it uses as much as digits as its factorization.

1139659223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49550424.

The product of its digits is 87480, while the sum is 41.

The square root of 1139659223 is about 33758.8391832421. The cubic root of 1139659223 is about 1044.5398256232.

The spelling of 1139659223 in words is "one billion, one hundred thirty-nine million, six hundred fifty-nine thousand, two hundred twenty-three".