5134640 has 80 divisors (see below), whose sum is σ = 13981248. Its totient is φ = 1717248.

The previous prime is 5134573. The next prime is 5134643. The reversal of 5134640 is 464315.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5134643) 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, 29594 + ... + 29766.

Almost surely, 2^5134640 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 5134640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6990624).

5134640 is an abundant number, since it is smaller than the sum of its proper divisors (8846608).

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

5134640 is a wasteful number, since it uses less digits than its factorization.

5134640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 5134640 is about 2265.9744040920. The cubic root of 5134640 is about 172.5188945207.

Adding to 5134640 its reverse (464315), we get a palindrome (5598955).

The spelling of 5134640 in words is "five million, one hundred thirty-four thousand, six hundred forty".