1138114789 has 4 divisors (see below), whose sum is σ = 1300702624. Its totient is φ = 975526956.

The previous prime is 1138114771. The next prime is 1138114837. The reversal of 1138114789 is 9874118311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9874118311 = 593 ⋅16651127.

It is a cyclic number.

It is not a de Polignac number, because 1138114789 - 2⁹ = 1138114277 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 (1138114489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81293907 + ... + 81293920.

It is an arithmetic number, because the mean of its divisors is an integer number (325175656).

Almost surely, 2^1138114789 is an apocalyptic number.

It is an amenable number.

1138114789 is a deficient number, since it is larger than the sum of its proper divisors (162587835).

1138114789 is an equidigital number, since it uses as much as digits as its factorization.

1138114789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162587834.

The product of its digits is 48384, while the sum is 43.

The square root of 1138114789 is about 33735.9569154337. The cubic root of 1138114789 is about 1044.0677686934.

The spelling of 1138114789 in words is "one billion, one hundred thirty-eight million, one hundred fourteen thousand, seven hundred eighty-nine".