190147129 has 2 divisors, whose sum is σ = 190147130. Its totient is φ = 190147128.

The previous prime is 190147127. The next prime is 190147163. The reversal of 190147129 is 921741091.

It is an a-pointer prime, because the next prime (190147163) can be obtained adding 190147129 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117505600 + 72641529 = 10840^2 + 8523^2 .

It is a cyclic number.

It is not a de Polignac number, because 190147129 - 2¹ = 190147127 is a prime.

Together with 190147127, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 190147094 and 190147103.

It is not a weakly prime, because it can be changed into another prime (190147123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95073564 + 95073565.

It is an arithmetic number, because the mean of its divisors is an integer number (95073565).

Almost surely, 2^190147129 is an apocalyptic number.

It is an amenable number.

190147129 is a deficient number, since it is larger than the sum of its proper divisors (1).

190147129 is an equidigital number, since it uses as much as digits as its factorization.

190147129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 190147129 is about 13789.3846490697. The cubic root of 190147129 is about 575.0380607446.

The spelling of 190147129 in words is "one hundred ninety million, one hundred forty-seven thousand, one hundred twenty-nine".