190147429 has 2 divisors, whose sum is σ = 190147430. Its totient is φ = 190147428.

The previous prime is 190147427. The next prime is 190147457. The reversal of 190147429 is 924741091.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 187635204 + 2512225 = 13698^2 + 1585^2 .

It is a cyclic number.

It is not a de Polignac number, because 190147429 - 2¹ = 190147427 is a prime.

Together with 190147427, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190147423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95073714 + 95073715.

It is an arithmetic number, because the mean of its divisors is an integer number (95073715).

Almost surely, 2^190147429 is an apocalyptic number.

It is an amenable number.

190147429 is a deficient number, since it is larger than the sum of its proper divisors (1).

190147429 is an equidigital number, since it uses as much as digits as its factorization.

190147429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 190147429 is about 13789.3955269983. The cubic root of 190147429 is about 575.0383631619.

The spelling of 190147429 in words is "one hundred ninety million, one hundred forty-seven thousand, four hundred twenty-nine".