1138518674 has 8 divisors (see below), whose sum is σ = 1708108428. Its totient is φ = 569149200.

The previous prime is 1138518673. The next prime is 1138518677. The reversal of 1138518674 is 4768158311.

It can be written as a sum of positive squares in 2 ways, for example, as 1096073449 + 42445225 = 33107^2 + 6515^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1138518671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41477 + ... + 63224.

Almost surely, 2^1138518674 is an apocalyptic number.

1138518674 is a deficient number, since it is larger than the sum of its proper divisors (569589754).

1138518674 is a wasteful number, since it uses less digits than its factorization.

1138518674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110140.

The product of its digits is 161280, while the sum is 44.

The square root of 1138518674 is about 33741.9423566575. The cubic root of 1138518674 is about 1044.1912575375.

The spelling of 1138518674 in words is "one billion, one hundred thirty-eight million, five hundred eighteen thousand, six hundred seventy-four".