1538837133 has 8 divisors (see below), whose sum is σ = 2101826496. Its totient is φ = 1000869600.

The previous prime is 1538837123. The next prime is 1538837147. The reversal of 1538837133 is 3317388351.

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

It is not a de Polignac number, because 1538837133 - 2⁸ = 1538836877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1538837123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6255313 + ... + 6255558.

It is an arithmetic number, because the mean of its divisors is an integer number (262728312).

Almost surely, 2^1538837133 is an apocalyptic number.

It is an amenable number.

1538837133 is a deficient number, since it is larger than the sum of its proper divisors (562989363).

1538837133 is a wasteful number, since it uses less digits than its factorization.

1538837133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12510915.

The product of its digits is 181440, while the sum is 42.

The square root of 1538837133 is about 39228.0146451487. The cubic root of 1538837133 is about 1154.5096106017.

The spelling of 1538837133 in words is "one billion, five hundred thirty-eight million, eight hundred thirty-seven thousand, one hundred thirty-three".