190429209 has 12 divisors (see below), whose sum is σ = 279170736. Its totient is φ = 125057592.

The previous prime is 190429201. The next prime is 190429219. The reversal of 190429209 is 902924091.

190429209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 190429209 - 2³ = 190429201 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (190429201) 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, 157299 + ... + 158504.

It is an arithmetic number, because the mean of its divisors is an integer number (23264228).

Almost surely, 2^190429209 is an apocalyptic number.

It is an amenable number.

190429209 is a deficient number, since it is larger than the sum of its proper divisors (88741527).

190429209 is a wasteful number, since it uses less digits than its factorization.

190429209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315876 (or 315873 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 190429209 is about 13799.6090162004. The cubic root of 190429209 is about 575.3222732783.

It can be divided in two parts, 1904 and 29209, that added together give a palindrome (31113).

The spelling of 190429209 in words is "one hundred ninety million, four hundred twenty-nine thousand, two hundred nine".