190541540 has 24 divisors (see below), whose sum is σ = 457300032. Its totient is φ = 65328480.

The previous prime is 190541539. The next prime is 190541563. The reversal of 190541540 is 45145091.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 680366 + ... + 680645.

It is an arithmetic number, because the mean of its divisors is an integer number (19054168).

Almost surely, 2^190541540 is an apocalyptic number.

190541540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190541540 is an abundant number, since it is smaller than the sum of its proper divisors (266758492).

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

190541540 is a wasteful number, since it uses less digits than its factorization.

190541540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361027 (or 1361025 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 190541540 is about 13803.6784952418. The cubic root of 190541540 is about 575.4353753656.

The spelling of 190541540 in words is "one hundred ninety million, five hundred forty-one thousand, five hundred forty".