1138776313 has 8 divisors (see below), whose sum is σ = 1166256576. Its totient is φ = 1111614000.

The previous prime is 1138776293. The next prime is 1138776323. The reversal of 1138776313 is 3136778311.

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

It is a cyclic number.

It is not a de Polignac number, because 1138776313 - 2⁵ = 1138776281 is a prime.

It is a super-2 number, since 2×1138776313² = 2593622982099747938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1138776323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72231 + ... + 86572.

It is an arithmetic number, because the mean of its divisors is an integer number (145782072).

Almost surely, 2^1138776313 is an apocalyptic number.

It is an amenable number.

1138776313 is a deficient number, since it is larger than the sum of its proper divisors (27480263).

1138776313 is a wasteful number, since it uses less digits than its factorization.

1138776313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158975.

The product of its digits is 63504, while the sum is 40.

The square root of 1138776313 is about 33745.7599262485. The cubic root of 1138776313 is about 1044.2700160469.

The spelling of 1138776313 in words is "one billion, one hundred thirty-eight million, seven hundred seventy-six thousand, three hundred thirteen".