190129859 has 2 divisors, whose sum is σ = 190129860. Its totient is φ = 190129858.

The previous prime is 190129831. The next prime is 190129861. The reversal of 190129859 is 958921091.

It is a happy number.

190129859 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-190129859 is a prime.

It is a super-2 number, since 2×190129859² = 72298726566719762, which contains 22 as substring.

Together with 190129861, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (190129889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95064929 + 95064930.

It is an arithmetic number, because the mean of its divisors is an integer number (95064930).

Almost surely, 2^190129859 is an apocalyptic number.

190129859 is a deficient number, since it is larger than the sum of its proper divisors (1).

190129859 is an equidigital number, since it uses as much as digits as its factorization.

190129859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 44.

The square root of 190129859 is about 13788.7584285171. The cubic root of 190129859 is about 575.0206510542.

The spelling of 190129859 in words is "one hundred ninety million, one hundred twenty-nine thousand, eight hundred fifty-nine".