1139539105 has 8 divisors (see below), whose sum is σ = 1367825472. Its totient is φ = 911378928.

The previous prime is 1139539103. The next prime is 1139539129. The reversal of 1139539105 is 5019359311.

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 1139539105 - 2¹ = 1139539103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1139539103) 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, 10387 + ... + 48856.

It is an arithmetic number, because the mean of its divisors is an integer number (170978184).

Almost surely, 2^1139539105 is an apocalyptic number.

It is an amenable number.

1139539105 is a deficient number, since it is larger than the sum of its proper divisors (228286367).

1139539105 is an equidigital number, since it uses as much as digits as its factorization.

1139539105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63095.

The product of its (nonzero) digits is 18225, while the sum is 37.

The square root of 1139539105 is about 33757.0600763751. The cubic root of 1139539105 is about 1044.5031268040.

The spelling of 1139539105 in words is "one billion, one hundred thirty-nine million, five hundred thirty-nine thousand, one hundred five".