1135139 has 4 divisors (see below), whose sum is σ = 1146480. Its totient is φ = 1123800.

The previous prime is 1135133. The next prime is 1135159. The reversal of 1135139 is 9315311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9315311 = 73 ⋅127607.

It is a cyclic number.

It is not a de Polignac number, because 1135139 - 2⁸ = 1134883 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (1135133) 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, 5519 + ... + 5720.

It is an arithmetic number, because the mean of its divisors is an integer number (286620).

2^1135139 is an apocalyptic number.

1135139 is a deficient number, since it is larger than the sum of its proper divisors (11341).

1135139 is a wasteful number, since it uses less digits than its factorization.

1135139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11340.

The product of its digits is 405, while the sum is 23.

The square root of 1135139 is about 1065.4290215683. The cubic root of 1135139 is about 104.3157011944.

The spelling of 1135139 in words is "one million, one hundred thirty-five thousand, one hundred thirty-nine".