135959757819 has 16 divisors (see below), whose sum is σ = 191891884800. Its totient is φ = 85479107616.

The previous prime is 135959757757. The next prime is 135959757827. The reversal of 135959757819 is 918757959531.

It is not a de Polignac number, because 135959757819 - 2¹² = 135959753723 is a prime.

It is a super-2 number, since 2×135959757819² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135959757119) 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, 18167839 + ... + 18175320.

It is an arithmetic number, because the mean of its divisors is an integer number (11993242800).

Almost surely, 2^135959757819 is an apocalyptic number.

135959757819 is a deficient number, since it is larger than the sum of its proper divisors (55932126981).

135959757819 is a wasteful number, since it uses less digits than its factorization.

135959757819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36343234.

The product of its digits is 107163000, while the sum is 69.

The spelling of 135959757819 in words is "one hundred thirty-five billion, nine hundred fifty-nine million, seven hundred fifty-seven thousand, eight hundred nineteen".