185147304394 has 32 divisors (see below), whose sum is σ = 301322165760. Its totient is φ = 84815188992.

The previous prime is 185147304367. The next prime is 185147304431. The reversal of 185147304394 is 493403741581.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2160879 + ... + 2244925.

It is an arithmetic number, because the mean of its divisors is an integer number (9416317680).

Almost surely, 2^185147304394 is an apocalyptic number.

185147304394 is a deficient number, since it is larger than the sum of its proper divisors (116174861366).

185147304394 is a wasteful number, since it uses less digits than its factorization.

185147304394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84694.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 185147304394 in words is "one hundred eighty-five billion, one hundred forty-seven million, three hundred four thousand, three hundred ninety-four".