1117075138 has 4 divisors (see below), whose sum is σ = 1675612710. Its totient is φ = 558537568.

The previous prime is 1117075133. The next prime is 1117075139. The reversal of 1117075138 is 8315707111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 997106929 + 119968209 = 31577^2 + 10953^2 .

It is not an unprimeable number, because it can be changed into a prime (1117075133) 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 as a sum of consecutive naturals, namely, 279268783 + ... + 279268786.

Almost surely, 2^1117075138 is an apocalyptic number.

1117075138 is a deficient number, since it is larger than the sum of its proper divisors (558537572).

1117075138 is an equidigital number, since it uses as much as digits as its factorization.

1117075138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558537571.

The product of its (nonzero) digits is 5880, while the sum is 34.

The square root of 1117075138 is about 33422.6740103182. The cubic root of 1117075138 is about 1037.5940246330.

The spelling of 1117075138 in words is "one billion, one hundred seventeen million, seventy-five thousand, one hundred thirty-eight".