1139137 has 4 divisors (see below), whose sum is σ = 1144260. Its totient is φ = 1134016.

The previous prime is 1139123. The next prime is 1139141. The reversal of 1139137 is 7319311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7319311 = 191 ⋅38321.

It can be written as a sum of positive squares in 2 ways, for example, as 505521 + 633616 = 711^2 + 796^2 .

It is a cyclic number.

It is not a de Polignac number, because 1139137 - 2¹⁹ = 614849 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1139147) 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, 2212 + ... + 2677.

It is an arithmetic number, because the mean of its divisors is an integer number (286065).

2^1139137 is an apocalyptic number.

It is an amenable number.

1139137 is a deficient number, since it is larger than the sum of its proper divisors (5123).

1139137 is an equidigital number, since it uses as much as digits as its factorization.

1139137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5122.

The product of its digits is 567, while the sum is 25.

The square root of 1139137 is about 1067.3036119118. The cubic root of 1139137 is about 104.4380255683.

The spelling of 1139137 in words is "one million, one hundred thirty-nine thousand, one hundred thirty-seven".