5134318638 has 32 divisors (see below), whose sum is σ = 10540387872. Its totient is φ = 1666704000.

The previous prime is 5134318633. The next prime is 5134318639. The reversal of 5134318638 is 8368134315.

It is a super-2 number, since 2×5134318638² = 52722455753028350088, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5134318638.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5134318633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32481 + ... + 106412.

It is an arithmetic number, because the mean of its divisors is an integer number (329387121).

Almost surely, 2^5134318638 is an apocalyptic number.

5134318638 is an abundant number, since it is smaller than the sum of its proper divisors (5406069234).

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

5134318638 is a wasteful number, since it uses less digits than its factorization.

5134318638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139060.

The product of its digits is 207360, while the sum is 42.

The square root of 5134318638 is about 71654.1599490218. The cubic root of 5134318638 is about 1725.1529529571.

The spelling of 5134318638 in words is "five billion, one hundred thirty-four million, three hundred eighteen thousand, six hundred thirty-eight".