1093768138 has 8 divisors (see below), whose sum is σ = 1640971332. Its totient is φ = 546777696.

The previous prime is 1093768127. The next prime is 1093768157. The reversal of 1093768138 is 8318673901.

It can be written as a sum of positive squares in 2 ways, for example, as 1084845969 + 8922169 = 32937^2 + 2987^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 39645 + ... + 61312.

Almost surely, 2^1093768138 is an apocalyptic number.

1093768138 is a deficient number, since it is larger than the sum of its proper divisors (547203194).

1093768138 is a wasteful number, since it uses less digits than its factorization.

1093768138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106376.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 1093768138 is about 33072.1656079550. The cubic root of 1093768138 is about 1030.3270203014.

The spelling of 1093768138 in words is "one billion, ninety-three million, seven hundred sixty-eight thousand, one hundred thirty-eight".