2539140015 has 16 divisors (see below), whose sum is σ = 4069489248. Its totient is φ = 1351919616.

The previous prime is 2539140001. The next prime is 2539140017. The reversal of 2539140015 is 5100419352.

It is not a de Polignac number, because 2539140015 - 2¹¹ = 2539137967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2539140017) 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, 133834 + ... + 151623.

It is an arithmetic number, because the mean of its divisors is an integer number (254343078).

Almost surely, 2^2539140015 is an apocalyptic number.

2539140015 is a deficient number, since it is larger than the sum of its proper divisors (1530349233).

2539140015 is a wasteful number, since it uses less digits than its factorization.

2539140015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286058.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 2539140015 is about 50389.8800851917. The cubic root of 2539140015 is about 1364.2549866503.

Adding to 2539140015 its reverse (5100419352), we get a palindrome (7639559367).

The spelling of 2539140015 in words is "two billion, five hundred thirty-nine million, one hundred forty thousand, fifteen".