206245352136 has 64 divisors (see below), whose sum is σ = 517076582400. Its totient is φ = 68553511488.

The previous prime is 206245352119. The next prime is 206245352153. The reversal of 206245352136 is 631253542602.

It is an interprime number because it is at equal distance from previous prime (206245352119) and next prime (206245352153).

It is a junction number, because it is equal to n+sod(n) for n = 206245352094 and 206245352103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37475961 + ... + 37481463.

It is an arithmetic number, because the mean of its divisors is an integer number (8079321600).

Almost surely, 2^206245352136 is an apocalyptic number.

It is an amenable number.

206245352136 is an abundant number, since it is smaller than the sum of its proper divisors (310831230264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206245352136 is a wasteful number, since it uses less digits than its factorization.

206245352136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9658 (or 9654 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 39.

Adding to 206245352136 its reverse (631253542602), we get a palindrome (837498894738).

The spelling of 206245352136 in words is "two hundred six billion, two hundred forty-five million, three hundred fifty-two thousand, one hundred thirty-six".