1149138338 has 4 divisors (see below), whose sum is σ = 1723707510. Its totient is φ = 574569168.

The previous prime is 1149138323. The next prime is 1149138343. The reversal of 1149138338 is 8338319411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8338319411 = 33941 ⋅245671.

It can be written as a sum of positive squares in only one way, i.e., 1142237209 + 6901129 = 33797^2 + 2627^2 .

It is a super-2 number, since 2×1149138338² = 2641037839722804488, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1149138295 and 1149138304.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287284583 + ... + 287284586.

Almost surely, 2^1149138338 is an apocalyptic number.

1149138338 is a deficient number, since it is larger than the sum of its proper divisors (574569172).

1149138338 is an equidigital number, since it uses as much as digits as its factorization.

1149138338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574569171.

The product of its digits is 62208, while the sum is 41.

The square root of 1149138338 is about 33898.9430218702. The cubic root of 1149138338 is about 1047.4278198850.

The spelling of 1149138338 in words is "one billion, one hundred forty-nine million, one hundred thirty-eight thousand, three hundred thirty-eight".