1138160837 has 4 divisors (see below), whose sum is σ = 1241630016. Its totient is φ = 1034691660.

The previous prime is 1138160827. The next prime is 1138160869. The reversal of 1138160837 is 7380618311.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7380618311 = 11 ⋅670965301.

It is a cyclic number.

It is not a de Polignac number, because 1138160837 - 2²⁴ = 1121383621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1138160837.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138160827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51734573 + ... + 51734594.

It is an arithmetic number, because the mean of its divisors is an integer number (310407504).

Almost surely, 2^1138160837 is an apocalyptic number.

It is an amenable number.

1138160837 is a deficient number, since it is larger than the sum of its proper divisors (103469179).

1138160837 is a wasteful number, since it uses less digits than its factorization.

1138160837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103469178.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 1138160837 is about 33736.6393850958. The cubic root of 1138160837 is about 1044.0818494594.

The spelling of 1138160837 in words is "one billion, one hundred thirty-eight million, one hundred sixty thousand, eight hundred thirty-seven".