5131840 has 112 divisors (see below), whose sum is σ = 14630400. Its totient is φ = 1677312.

The previous prime is 5131823. The next prime is 5131849. The reversal of 5131840 is 481315.

It is a tau number, because it is divible by the number of its divisors (112).

It is not an unprimeable number, because it can be changed into a prime (5131849) 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, 64921 + ... + 64999.

Almost surely, 2^5131840 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 5131840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7315200).

5131840 is an abundant number, since it is smaller than the sum of its proper divisors (9498560).

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

5131840 is a wasteful number, since it uses less digits than its factorization.

5131840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 5131840 is about 2265.3564840881. The cubic root of 5131840 is about 172.4875297293.

The spelling of 5131840 in words is "five million, one hundred thirty-one thousand, eight hundred forty".