194007393436 has 24 divisors (see below), whose sum is σ = 357551631360. Its totient is φ = 91854630000.

The previous prime is 194007393427. The next prime is 194007393487. The reversal of 194007393436 is 634393700491.

It is a self number, because there is not a number n which added to its sum of digits gives 194007393436.

It is a congruent 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, 444190 + ... + 765061.

It is an arithmetic number, because the mean of its divisors is an integer number (14897984640).

Almost surely, 2^194007393436 is an apocalyptic number.

It is an amenable number.

194007393436 is a deficient number, since it is larger than the sum of its proper divisors (163544237924).

194007393436 is a wasteful number, since it uses less digits than its factorization.

194007393436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211385 (or 1211383 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 49.

The spelling of 194007393436 in words is "one hundred ninety-four billion, seven million, three hundred ninety-three thousand, four hundred thirty-six".