190133108 has 18 divisors (see below), whose sum is σ = 365732178. Its totient is φ = 86423920.

The previous prime is 190133107. The next prime is 190133129. The reversal of 190133108 is 801331091.

It can be written as a sum of positive squares in only one way, i.e., 189667984 + 465124 = 13772^2 + 682^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190133107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 195935 + ... + 196902.

Almost surely, 2^190133108 is an apocalyptic number.

It is an amenable number.

190133108 is a deficient number, since it is larger than the sum of its proper divisors (175599070).

190133108 is a wasteful number, since it uses less digits than its factorization.

190133108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392863 (or 392850 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 190133108 is about 13788.8762413766. The cubic root of 190133108 is about 575.0239264146.

Adding to 190133108 its reverse (801331091), we get a palindrome (991464199).

It can be divided in two parts, 1 and 90133108, that added together give a palindrome (90133109).

The spelling of 190133108 in words is "one hundred ninety million, one hundred thirty-three thousand, one hundred eight".