206403136342 has 32 divisors (see below), whose sum is σ = 341061783552. Its totient is φ = 93102143904.

The previous prime is 206403136319. The next prime is 206403136351. The reversal of 206403136342 is 243631304602.

206403136342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×206403136342² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 206403136298 and 206403136307.

It is a congruent number.

It is an unprimeable number.

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, 245248 + ... + 687715.

It is an arithmetic number, because the mean of its divisors is an integer number (10658180736).

Almost surely, 2^206403136342 is an apocalyptic number.

206403136342 is a deficient number, since it is larger than the sum of its proper divisors (134658647210).

206403136342 is a wasteful number, since it uses less digits than its factorization.

206403136342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933172.

The product of its (nonzero) digits is 62208, while the sum is 34.

The spelling of 206403136342 in words is "two hundred six billion, four hundred three million, one hundred thirty-six thousand, three hundred forty-two".