1438560133 has 8 divisors (see below), whose sum is σ = 1478577240. Its totient is φ = 1399073280.

The previous prime is 1438560121. The next prime is 1438560163. The reversal of 1438560133 is 3310658341.

It can be written as a sum of positive squares in 4 ways, for example, as 169989444 + 1268570689 = 13038^2 + 35617^2 .

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 1438560133 - 2⁹ = 1438559621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1438560113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127060 + ... + 137917.

It is an arithmetic number, because the mean of its divisors is an integer number (184822155).

Almost surely, 2^1438560133 is an apocalyptic number.

It is an amenable number.

1438560133 is a deficient number, since it is larger than the sum of its proper divisors (40017107).

1438560133 is an equidigital number, since it uses as much as digits as its factorization.

1438560133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265127.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 1438560133 is about 37928.3552635756. The cubic root of 1438560133 is about 1128.8667294937.

The spelling of 1438560133 in words is "one billion, four hundred thirty-eight million, five hundred sixty thousand, one hundred thirty-three".