190142066 has 4 divisors (see below), whose sum is σ = 285213102. Its totient is φ = 95071032.

The previous prime is 190142041. The next prime is 190142083. The reversal of 190142066 is 660241091.

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., 187005625 + 3136441 = 13675^2 + 1771^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47535515 + ... + 47535518.

Almost surely, 2^190142066 is an apocalyptic number.

190142066 is a deficient number, since it is larger than the sum of its proper divisors (95071036).

190142066 is an equidigital number, since it uses as much as digits as its factorization.

190142066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95071035.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 190142066 is about 13789.2010646012. The cubic root of 190142066 is about 575.0329569012.

The spelling of 190142066 in words is "one hundred ninety million, one hundred forty-two thousand, sixty-six".