194535486236 has 96 divisors (see below), whose sum is σ = 428158080000. Its totient is φ = 76849746624.

The previous prime is 194535486203. The next prime is 194535486247. The reversal of 194535486236 is 632684535491.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13173425 + ... + 13188183.

It is an arithmetic number, because the mean of its divisors is an integer number (4459980000).

Almost surely, 2^194535486236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194535486236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214079040000).

194535486236 is an abundant number, since it is smaller than the sum of its proper divisors (233622593764).

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

194535486236 is a wasteful number, since it uses less digits than its factorization.

194535486236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15536 (or 15520 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 56.

The spelling of 194535486236 in words is "one hundred ninety-four billion, five hundred thirty-five million, four hundred eighty-six thousand, two hundred thirty-six".