1133145206 has 4 divisors (see below), whose sum is σ = 1699717812. Its totient is φ = 566572602.

The previous prime is 1133145157. The next prime is 1133145227. The reversal of 1133145206 is 6025413311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6025413311 = 97 ⋅62117663.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283286300 + ... + 283286303.

It is an arithmetic number, because the mean of its divisors is an integer number (424929453).

Almost surely, 2^1133145206 is an apocalyptic number.

1133145206 is a deficient number, since it is larger than the sum of its proper divisors (566572606).

1133145206 is an equidigital number, since it uses as much as digits as its factorization.

1133145206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566572605.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1133145206 is about 33662.2222379925. Note that the first 4 decimals coincide. The cubic root of 1133145206 is about 1042.5459093738.

Adding to 1133145206 its reverse (6025413311), we get a palindrome (7158558517).

The spelling of 1133145206 in words is "one billion, one hundred thirty-three million, one hundred forty-five thousand, two hundred six".