159370194394 has 4 divisors (see below), whose sum is σ = 239055291594. Its totient is φ = 79685097196.

The previous prime is 159370194371. The next prime is 159370194419. The reversal of 159370194394 is 493491073951.

159370194394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 147868704369 + 11501490025 = 384537^2 + 107245^2 .

It is a super-2 number, since 2×159370194394² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39842548597 + ... + 39842548600.

Almost surely, 2^159370194394 is an apocalyptic number.

159370194394 is a deficient number, since it is larger than the sum of its proper divisors (79685097200).

159370194394 is an equidigital number, since it uses as much as digits as its factorization.

159370194394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79685097199.

The product of its (nonzero) digits is 3674160, while the sum is 55.

The spelling of 159370194394 in words is "one hundred fifty-nine billion, three hundred seventy million, one hundred ninety-four thousand, three hundred ninety-four".