5136438 has 8 divisors (see below), whose sum is σ = 10272888. Its totient is φ = 1712144.

The previous prime is 5136437. The next prime is 5136449. The reversal of 5136438 is 8346315.

It is a sphenic number, since it is the product of 3 distinct primes.

5136438 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5136437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428031 + ... + 428042.

It is an arithmetic number, because the mean of its divisors is an integer number (1284111).

Almost surely, 2^5136438 is an apocalyptic number.

5136438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

5136438 is a wasteful number, since it uses less digits than its factorization.

5136438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856078.

The product of its digits is 8640, while the sum is 30.

The square root of 5136438 is about 2266.3711081815. The cubic root of 5136438 is about 172.5390291860.

The spelling of 5136438 in words is "five million, one hundred thirty-six thousand, four hundred thirty-eight".