1139086 has 16 divisors (see below), whose sum is σ = 1857744. Its totient is φ = 520704.

The previous prime is 1139081. The next prime is 1139087. The reversal of 1139086 is 6809311.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1139081) 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, 4905 + ... + 5131.

It is an arithmetic number, because the mean of its divisors is an integer number (116109).

2^1139086 is an apocalyptic number.

1139086 is a deficient number, since it is larger than the sum of its proper divisors (718658).

1139086 is a wasteful number, since it uses less digits than its factorization.

1139086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1139086 is about 1067.2797196612. The cubic root of 1139086 is about 104.4364669560.

It can be divided in two parts, 11390 and 86, that added together give a triangular number (11476 = T₁₅₁).

The spelling of 1139086 in words is "one million, one hundred thirty-nine thousand, eighty-six".