194639616136936 has 32 divisors (see below), whose sum is σ = 366470192880000. Its totient is φ = 96914500608960.

The previous prime is 194639616136913. The next prime is 194639616136951. The reversal of 194639616136936 is 639631616936491.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11042100 + ... + 22609891.

It is an arithmetic number, because the mean of its divisors is an integer number (11452193527500).

Almost surely, 2^{194639616136936} is an apocalyptic number.

It is an amenable number.

194639616136936 is a deficient number, since it is larger than the sum of its proper divisors (171830576743064).

194639616136936 is a wasteful number, since it uses less digits than its factorization.

194639616136936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33655009 (or 33655005 counting only the distinct ones).

The product of its digits is 612220032, while the sum is 73.

The spelling of 194639616136936 in words is "one hundred ninety-four trillion, six hundred thirty-nine billion, six hundred sixteen million, one hundred thirty-six thousand, nine hundred thirty-six".