5394021136 has 135 divisors (see below), whose sum is σ = 12653873973. Its totient is φ = 2220946560.

The previous prime is 5394021121. The next prime is 5394021161. The reversal of 5394021136 is 6311204935.

The square root of 5394021136 is 73444.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 175403536 + 5218617600 = 13244^2 + 72240^2 .

It is a super-2 number, since 2×5394021136² = 58190928031229460992, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 88426546 + ... + 88426606.

Almost surely, 2^5394021136 is an apocalyptic number.

5394021136 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

5394021136 is the 73444-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5394021136

5394021136 is an abundant number, since it is smaller than the sum of its proper divisors (7259852837).

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

5394021136 is an equidigital number, since it uses as much as digits as its factorization.

5394021136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The cubic root of 5394021136 is about 1753.7629110581.

It can be divided in two parts, 53940 and 21136, that added together give a square (75076 = 274²).

The spelling of 5394021136 in words is "five billion, three hundred ninety-four million, twenty-one thousand, one hundred thirty-six".