1139487105 has 8 divisors (see below), whose sum is σ = 1823179392. Its totient is φ = 607726448.

The previous prime is 1139487103. The next prime is 1139487127. The reversal of 1139487105 is 5017849311.

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 1139487105 - 2¹ = 1139487103 is a prime.

It is a super-2 number, since 2×1139487105² = 2596861724922562050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1139487103) 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, 37982889 + ... + 37982918.

It is an arithmetic number, because the mean of its divisors is an integer number (227897424).

Almost surely, 2^1139487105 is an apocalyptic number.

1139487105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1139487105 is a deficient number, since it is larger than the sum of its proper divisors (683692287).

1139487105 is an equidigital number, since it uses as much as digits as its factorization.

1139487105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75965815.

The product of its (nonzero) digits is 30240, while the sum is 39.

The square root of 1139487105 is about 33756.2898583360. The cubic root of 1139487105 is about 1044.4872388050.

The spelling of 1139487105 in words is "one billion, one hundred thirty-nine million, four hundred eighty-seven thousand, one hundred five".