5140000 has 60 divisors (see below), whose sum is σ = 12694374. Its totient is φ = 2048000.

The previous prime is 5139983. The next prime is 5140007. The reversal of 5140000 is 415.

It can be written as a sum of positive squares in 5 ways, for example, as 929296 + 4210704 = 964^2 + 2052^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5140007) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 19872 + ... + 20128.

Almost surely, 2^5140000 is an apocalyptic number.

5140000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5140000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6347187).

5140000 is an abundant number, since it is smaller than the sum of its proper divisors (7554374).

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

5140000 is an equidigital number, since it uses as much as digits as its factorization.

5140000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 5140000 is about 2267.1568097509. The cubic root of 5140000 is about 172.5789039014.

Adding to 5140000 its reverse (415), we get a palindrome (5140415).

The spelling of 5140000 in words is "five million, one hundred forty thousand".