129087515082239 has 16 divisors (see below), whose sum is σ = 150542128032000. Its totient is φ = 110644418895192.

The previous prime is 129087515082221. The next prime is 129087515082247. The reversal of 129087515082239 is 932280515780921.

It is not a de Polignac number, because 129087515082239 - 2¹² = 129087515078143 is a prime.

It is a super-3 number, since 3×129087515082239³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129087515084239) 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, 15503192 + ... + 22327650.

It is an arithmetic number, because the mean of its divisors is an integer number (9408883002000).

Almost surely, 2^{129087515082239} is an apocalyptic number.

129087515082239 is a deficient number, since it is larger than the sum of its proper divisors (21454612949761).

129087515082239 is an frugal number, since it uses more digits than its factorization.

129087515082239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6879627 (or 6879613 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 62.

The spelling of 129087515082239 in words is "one hundred twenty-nine trillion, eighty-seven billion, five hundred fifteen million, eighty-two thousand, two hundred thirty-nine".