5138091 has 36 divisors (see below), whose sum is σ = 8820864. Its totient is φ = 2872800.

The previous prime is 5138083. The next prime is 5138093. The reversal of 5138091 is 1908315.

It is not a de Polignac number, because 5138091 - 2³ = 5138083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5138093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 26806 + ... + 26996.

It is an arithmetic number, because the mean of its divisors is an integer number (245024).

Almost surely, 2^5138091 is an apocalyptic number.

5138091 is a deficient number, since it is larger than the sum of its proper divisors (3682773).

5138091 is a wasteful number, since it uses less digits than its factorization.

5138091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 5138091 is about 2266.7357587509. The cubic root of 5138091 is about 172.5575359427.

The spelling of 5138091 in words is "five million, one hundred thirty-eight thousand, ninety-one".