203135636630434 has 16 divisors (see below), whose sum is σ = 312054409884096. Its totient is φ = 99145827382000.

The previous prime is 203135636630359. The next prime is 203135636630449. The reversal of 203135636630434 is 434036636531302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7081830472 + ... + 7081859155.

It is an arithmetic number, because the mean of its divisors is an integer number (19503400617756).

Almost surely, 2^{203135636630434} is an apocalyptic number.

203135636630434 is a deficient number, since it is larger than the sum of its proper divisors (108918773253662).

203135636630434 is a wasteful number, since it uses less digits than its factorization.

203135636630434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14163689801.

The product of its (nonzero) digits is 8398080, while the sum is 49.

The spelling of 203135636630434 in words is "two hundred three trillion, one hundred thirty-five billion, six hundred thirty-six million, six hundred thirty thousand, four hundred thirty-four".