190315090 has 32 divisors (see below), whose sum is σ = 395112960. Its totient is φ = 64649664.

The previous prime is 190315063. The next prime is 190315093. The reversal of 190315090 is 90513091.

It is not an unprimeable number, because it can be changed into a prime (190315093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4842 + ... + 20101.

It is an arithmetic number, because the mean of its divisors is an integer number (12347280).

Almost surely, 2^190315090 is an apocalyptic number.

190315090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190315090 is an abundant number, since it is smaller than the sum of its proper divisors (204797870).

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

190315090 is a wasteful number, since it uses less digits than its factorization.

190315090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25066.

The product of its (nonzero) digits is 1215, while the sum is 28.

The square root of 190315090 is about 13795.4735330107. The cubic root of 190315090 is about 575.2073253626.

The spelling of 190315090 in words is "one hundred ninety million, three hundred fifteen thousand, ninety".