128337194 has 8 divisors (see below), whose sum is σ = 200875680. Its totient is φ = 61378636.

The previous prime is 128337193. The next prime is 128337203. The reversal of 128337194 is 491733821.

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

It is a super-3 number, since 3×128337194³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (128337193) by changing a digit.

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, 1394924 + ... + 1395015.

It is an arithmetic number, because the mean of its divisors is an integer number (25109460).

Almost surely, 2^128337194 is an apocalyptic number.

128337194 is a deficient number, since it is larger than the sum of its proper divisors (72538486).

128337194 is a wasteful number, since it uses less digits than its factorization.

128337194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2789964.

The product of its digits is 36288, while the sum is 38.

The square root of 128337194 is about 11328.6007079427. The cubic root of 128337194 is about 504.4105713219.

The spelling of 128337194 in words is "one hundred twenty-eight million, three hundred thirty-seven thousand, one hundred ninety-four".