5263420138 has 32 divisors (see below), whose sum is σ = 8085018240. Its totient is φ = 2569297920.

The previous prime is 5263420121. The next prime is 5263420159. The reversal of 5263420138 is 8310243625.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 8502793 + ... + 8503411.

It is an arithmetic number, because the mean of its divisors is an integer number (252656820).

Almost surely, 2^5263420138 is an apocalyptic number.

5263420138 is a deficient number, since it is larger than the sum of its proper divisors (2821598102).

5263420138 is a wasteful number, since it uses less digits than its factorization.

5263420138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 5263420138 is about 72549.4323754501. The cubic root of 5263420138 is about 1739.4929753164.

The spelling of 5263420138 in words is "five billion, two hundred sixty-three million, four hundred twenty thousand, one hundred thirty-eight".