1138132241 has 4 divisors (see below), whose sum is σ = 1139237184. Its totient is φ = 1137027300.

The previous prime is 1138132211. The next prime is 1138132277. The reversal of 1138132241 is 1422318311.

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 a de Polignac number, because none of the positive numbers 2^k-1138132241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1138132241.

It is not an unprimeable number, because it can be changed into a prime (1138132211) 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, 550925 + ... + 552986.

It is an arithmetic number, because the mean of its divisors is an integer number (284809296).

Almost surely, 2^1138132241 is an apocalyptic number.

It is an amenable number.

1138132241 is a deficient number, since it is larger than the sum of its proper divisors (1104943).

1138132241 is a wasteful number, since it uses less digits than its factorization.

1138132241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104942.

The product of its digits is 1152, while the sum is 26.

The square root of 1138132241 is about 33736.2155702147. The cubic root of 1138132241 is about 1044.0731052897.

The spelling of 1138132241 in words is "one billion, one hundred thirty-eight million, one hundred thirty-two thousand, two hundred forty-one".