1093138389 has 32 divisors (see below), whose sum is σ = 1893872640. Its totient is φ = 610119216.

The previous prime is 1093138363. The next prime is 1093138393. The reversal of 1093138389 is 9838313901.

It is a happy number.

It is not a de Polignac number, because 1093138389 - 2⁵ = 1093138357 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1093138339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59127 + ... + 75380.

It is an arithmetic number, because the mean of its divisors is an integer number (59183520).

Almost surely, 2^1093138389 is an apocalyptic number.

It is an amenable number.

1093138389 is a deficient number, since it is larger than the sum of its proper divisors (800734251).

1093138389 is a wasteful number, since it uses less digits than its factorization.

1093138389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134566 (or 134560 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 1093138389 is about 33062.6434061162. The cubic root of 1093138389 is about 1030.1292416452.

The spelling of 1093138389 in words is "one billion, ninety-three million, one hundred thirty-eight thousand, three hundred eighty-nine".