132728194 has 8 divisors (see below), whose sum is σ = 199667088. Its totient is φ = 66172500.

The previous prime is 132728191. The next prime is 132728201. The reversal of 132728194 is 491827231.

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

It is not an unprimeable number, because it can be changed into a prime (132728191) 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, 94932 + ... + 96319.

It is an arithmetic number, because the mean of its divisors is an integer number (24958386).

Almost surely, 2^132728194 is an apocalyptic number.

132728194 is a deficient number, since it is larger than the sum of its proper divisors (66938894).

132728194 is a wasteful number, since it uses less digits than its factorization.

132728194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191600.

The product of its digits is 24192, while the sum is 37.

The square root of 132728194 is about 11520.7722831414. The cubic root of 132728194 is about 510.0989094335.

The spelling of 132728194 in words is "one hundred thirty-two million, seven hundred twenty-eight thousand, one hundred ninety-four".