5131439001 has 48 divisors (see below), whose sum is σ = 8539234704. Its totient is φ = 2941304832.

The previous prime is 5131438999. The next prime is 5131439029. The reversal of 5131439001 is 1009341315.

5131439001 is a `hidden beast` number, since 513 + 143 + 9 + 0 + 0 + 1 = 666.

5131439001 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 129413376 + 5002025625 = 11376^2 + 70725^2 .

It is not a de Polignac number, because 5131439001 - 2¹ = 5131438999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5131439051) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 179635 + ... + 206231.

It is an arithmetic number, because the mean of its divisors is an integer number (177900723).

Almost surely, 2^5131439001 is an apocalyptic number.

5131439001 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

5131439001 is a deficient number, since it is larger than the sum of its proper divisors (3407795703).

5131439001 is a wasteful number, since it uses less digits than its factorization.

5131439001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26730 (or 26727 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 5131439001 is about 71634.0631334004. The cubic root of 5131439001 is about 1724.8303692049.

The spelling of 5131439001 in words is "five billion, one hundred thirty-one million, four hundred thirty-nine thousand, one".