5138310492 has 240 divisors, whose sum is σ = 16158320640. Its totient is φ = 1392069888.

The previous prime is 5138310491. The next prime is 5138310517. The reversal of 5138310492 is 2940138315.

5138310492 is a `hidden beast` number, since 5 + 138 + 31 + 0 + 492 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5138310491) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 7146109 + ... + 7146827.

It is an arithmetic number, because the mean of its divisors is an integer number (67326336).

Almost surely, 2^5138310492 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5138310492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8079160320).

5138310492 is an abundant number, since it is smaller than the sum of its proper divisors (11020010148).

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

5138310492 is a wasteful number, since it uses less digits than its factorization.

5138310492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902 (or 891 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 5138310492 is about 71682.0095421438. The cubic root of 5138310492 is about 1725.5999304590.

The spelling of 5138310492 in words is "five billion, one hundred thirty-eight million, three hundred ten thousand, four hundred ninety-two".