208594024135 has 32 divisors (see below), whose sum is σ = 286854175872. Its totient is φ = 142645224960.

The previous prime is 208594024123. The next prime is 208594024193. The reversal of 208594024135 is 531420495802.

It is not a de Polignac number, because 208594024135 - 2⁵ = 208594024103 is a prime.

It is a super-2 number, since 2×208594024135² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 208594024091 and 208594024100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23643025 + ... + 23651845.

It is an arithmetic number, because the mean of its divisors is an integer number (8964192996).

Almost surely, 2^208594024135 is an apocalyptic number.

208594024135 is a deficient number, since it is larger than the sum of its proper divisors (78260151737).

208594024135 is a wasteful number, since it uses less digits than its factorization.

208594024135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10603.

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 208594024135 in words is "two hundred eight billion, five hundred ninety-four million, twenty-four thousand, one hundred thirty-five".