194138326 has 8 divisors (see below), whose sum is σ = 291684384. Its totient is φ = 96910200.

The previous prime is 194138309. The next prime is 194138359. The reversal of 194138326 is 623831491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77950 + ... + 80401.

It is an arithmetic number, because the mean of its divisors is an integer number (36460548).

Almost surely, 2^194138326 is an apocalyptic number.

194138326 is a deficient number, since it is larger than the sum of its proper divisors (97546058).

194138326 is a wasteful number, since it uses less digits than its factorization.

194138326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158966.

The product of its digits is 31104, while the sum is 37.

The square root of 194138326 is about 13933.3530063657. The cubic root of 194138326 is about 579.0335927883.

The spelling of 194138326 in words is "one hundred ninety-four million, one hundred thirty-eight thousand, three hundred twenty-six".