1138176533 has 8 divisors (see below), whose sum is σ = 1226277528. Its totient is φ = 1050153984.

The previous prime is 1138176527. The next prime is 1138176541. The reversal of 1138176533 is 3356718311.

It can be written as a sum of positive squares in 4 ways, for example, as 41705764 + 1096470769 = 6458^2 + 33113^2 .

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 1138176533 - 2⁴ = 1138176517 is a prime.

It is a super-3 number, since 3×1138176533³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138176553) 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, 12485 + ... + 49317.

It is an arithmetic number, because the mean of its divisors is an integer number (153284691).

Almost surely, 2^1138176533 is an apocalyptic number.

1138176533 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1138176533 is a deficient number, since it is larger than the sum of its proper divisors (88100995).

1138176533 is a wasteful number, since it uses less digits than its factorization.

1138176533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39223.

The product of its digits is 45360, while the sum is 38.

The square root of 1138176533 is about 33736.8720097166. The cubic root of 1138176533 is about 1044.0866489666.

The spelling of 1138176533 in words is "one billion, one hundred thirty-eight million, one hundred seventy-six thousand, five hundred thirty-three".