190540106 has 4 divisors (see below), whose sum is σ = 285810162. Its totient is φ = 95270052.

The previous prime is 190540069. The next prime is 190540111. The reversal of 190540106 is 601045091.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 149695225 + 40844881 = 12235^2 + 6391^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47635025 + ... + 47635028.

Almost surely, 2^190540106 is an apocalyptic number.

190540106 is a deficient number, since it is larger than the sum of its proper divisors (95270056).

190540106 is an equidigital number, since it uses as much as digits as its factorization.

190540106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95270055.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 190540106 is about 13803.6265524680. The cubic root of 190540106 is about 575.4339318022.

Adding to 190540106 its reverse (601045091), we get a palindrome (791585197).

The spelling of 190540106 in words is "one hundred ninety million, five hundred forty thousand, one hundred six".