190149108 has 12 divisors (see below), whose sum is σ = 443681280. Its totient is φ = 63383032.

The previous prime is 190149101. The next prime is 190149121. The reversal of 190149108 is 801941091.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190149101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7922868 + ... + 7922891.

It is an arithmetic number, because the mean of its divisors is an integer number (36973440).

Almost surely, 2^190149108 is an apocalyptic number.

It is an amenable number.

190149108 is an abundant number, since it is smaller than the sum of its proper divisors (253532172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

190149108 is a wasteful number, since it uses less digits than its factorization.

190149108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15845766 (or 15845764 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 33.

The square root of 190149108 is about 13789.4564069799. The cubic root of 190149108 is about 575.0400556847.

The spelling of 190149108 in words is "one hundred ninety million, one hundred forty-nine thousand, one hundred eight".