135859429515 has 16 divisors (see below), whose sum is σ = 217384358688. Its totient is φ = 72455271936.

The previous prime is 135859429513. The next prime is 135859429547. The reversal of 135859429515 is 515924958531.

It is not a de Polignac number, because 135859429515 - 2¹ = 135859429513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135859429513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195477 + ... + 556713.

It is an arithmetic number, because the mean of its divisors is an integer number (13586522418).

Almost surely, 2^135859429515 is an apocalyptic number.

135859429515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135859429515 is a deficient number, since it is larger than the sum of its proper divisors (81524929173).

135859429515 is a wasteful number, since it uses less digits than its factorization.

135859429515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386318.

The product of its digits is 9720000, while the sum is 57.

The spelling of 135859429515 in words is "one hundred thirty-five billion, eight hundred fifty-nine million, four hundred twenty-nine thousand, five hundred fifteen".