194764736148 has 12 divisors (see below), whose sum is σ = 454451051040. Its totient is φ = 64921578712.

The previous prime is 194764736129. The next prime is 194764736149. The reversal of 194764736148 is 841637467491.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 194764736091 and 194764736100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194764736149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8115197328 + ... + 8115197351.

It is an arithmetic number, because the mean of its divisors is an integer number (37870920920).

Almost surely, 2^194764736148 is an apocalyptic number.

It is an amenable number.

194764736148 is an abundant number, since it is smaller than the sum of its proper divisors (259686314892).

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

194764736148 is a wasteful number, since it uses less digits than its factorization.

194764736148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16230394686 (or 16230394684 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 60.

The spelling of 194764736148 in words is "one hundred ninety-four billion, seven hundred sixty-four million, seven hundred thirty-six thousand, one hundred forty-eight".