1139552293 has 4 divisors (see below), whose sum is σ = 1243147968. Its totient is φ = 1035956620.

The previous prime is 1139552269. The next prime is 1139552321. The reversal of 1139552293 is 3922559311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1139552293 - 2¹⁷ = 1139421221 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1139552243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51797821 + ... + 51797842.

It is an arithmetic number, because the mean of its divisors is an integer number (310786992).

Almost surely, 2^1139552293 is an apocalyptic number.

It is an amenable number.

1139552293 is a deficient number, since it is larger than the sum of its proper divisors (103595675).

1139552293 is a wasteful number, since it uses less digits than its factorization.

1139552293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103595674.

The product of its digits is 72900, while the sum is 40.

The square root of 1139552293 is about 33757.2554127257. The cubic root of 1139552293 is about 1044.5071561682.

The spelling of 1139552293 in words is "one billion, one hundred thirty-nine million, five hundred fifty-two thousand, two hundred ninety-three".