194137347228 has 24 divisors (see below), whose sum is σ = 494167793280. Its totient is φ = 58829499120.

The previous prime is 194137347211. The next prime is 194137347233. The reversal of 194137347228 is 822743731491.

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, 735368608 + ... + 735368871.

It is an arithmetic number, because the mean of its divisors is an integer number (20590324720).

Almost surely, 2^194137347228 is an apocalyptic number.

It is an amenable number.

194137347228 is an abundant number, since it is smaller than the sum of its proper divisors (300030446052).

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

194137347228 is a wasteful number, since it uses less digits than its factorization.

194137347228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1470737497 (or 1470737495 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 51.

The spelling of 194137347228 in words is "one hundred ninety-four billion, one hundred thirty-seven million, three hundred forty-seven thousand, two hundred twenty-eight".