5813223138 has 18 divisors (see below), whose sum is σ = 12596017707. Its totient is φ = 1937633220.

The previous prime is 5813223133. The next prime is 5813223167. The reversal of 5813223138 is 8313223185.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2906611569 + 2906611569 = 53913^2 + 53913^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=53913.

It is not an unprimeable number, because it can be changed into a prime (5813223133) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 314493 + ... + 332463.

Almost surely, 2^5813223138 is an apocalyptic number.

5813223138 is an abundant number, since it is smaller than the sum of its proper divisors (6782794569).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5813223138 is an frugal number, since it uses more digits than its factorization.

5813223138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35950 (or 17976 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 5813223138 is about 76244.4957882207. The cubic root of 5813223138 is about 1798.0661471588.

The spelling of 5813223138 in words is "five billion, eight hundred thirteen million, two hundred twenty-three thousand, one hundred thirty-eight".