194719140000 has 1800 divisors, whose sum is σ = 912181108608. Its totient is φ = 40279680000.

The previous prime is 194719139959. The next prime is 194719140047. The reversal of 194719140000 is 41917491.

It is a tau number, because it is divible by the number of its divisors (1800).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 299 ways as a sum of consecutive naturals, for example, 873179889 + ... + 873180111.

Almost surely, 2^194719140000 is an apocalyptic number.

194719140000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194719140000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (456090554304).

194719140000 is an abundant number, since it is smaller than the sum of its proper divisors (717461968608).

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

194719140000 is a wasteful number, since it uses less digits than its factorization.

194719140000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The spelling of 194719140000 in words is "one hundred ninety-four billion, seven hundred nineteen million, one hundred forty thousand".