190196539 has 12 divisors (see below), whose sum is σ = 210532224. Its totient is φ = 170805024.

The previous prime is 190196521. The next prime is 190196543. The reversal of 190196539 is 935691091.

It is not a de Polignac number, because 190196539 - 2¹⁹ = 189672251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 190196495 and 190196504.

It is not an unprimeable number, because it can be changed into a prime (190196569) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12454 + ... + 23140.

It is an arithmetic number, because the mean of its divisors is an integer number (17544352).

Almost surely, 2^190196539 is an apocalyptic number.

190196539 is a deficient number, since it is larger than the sum of its proper divisors (20335685).

190196539 is a wasteful number, since it uses less digits than its factorization.

190196539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10774 (or 10737 counting only the distinct ones).

The product of its (nonzero) digits is 65610, while the sum is 43.

The square root of 190196539 is about 13791.1761282350. The cubic root of 190196539 is about 575.0878645817.

The spelling of 190196539 in words is "one hundred ninety million, one hundred ninety-six thousand, five hundred thirty-nine".