1085139 has 24 divisors (see below), whose sum is σ = 1742832. Its totient is φ = 645120.

The previous prime is 1085137. The next prime is 1085141. The reversal of 1085139 is 9315801.

1085139 = 54³ + 55³ + ... + 59³.

It is an interprime number because it is at equal distance from previous prime (1085137) and next prime (1085141).

It is not a de Polignac number, because 1085139 - 2¹ = 1085137 is a prime.

It is a super-3 number, since 3×1085139³ = 3833340272152621857, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1085131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9547 + ... + 9659.

It is an arithmetic number, because the mean of its divisors is an integer number (72618).

2^1085139 is an apocalyptic number.

1085139 is a deficient number, since it is larger than the sum of its proper divisors (657693).

1085139 is a wasteful number, since it uses less digits than its factorization.

1085139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 1085139 is about 1041.7000527983. The cubic root of 1085139 is about 102.7610320795.

The spelling of 1085139 in words is "one million, eighty-five thousand, one hundred thirty-nine".