190129685 has 8 divisors (see below), whose sum is σ = 228302496. Its totient is φ = 152005840.

The previous prime is 190129651. The next prime is 190129697. The reversal of 190129685 is 586921091.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 190129685 - 2¹⁰ = 190128661 is a prime.

It is a super-2 number, since 2×190129685² = 72298594236398450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3071 + ... + 19740.

It is an arithmetic number, because the mean of its divisors is an integer number (28537812).

Almost surely, 2^190129685 is an apocalyptic number.

It is an amenable number.

190129685 is a deficient number, since it is larger than the sum of its proper divisors (38172811).

190129685 is a wasteful number, since it uses less digits than its factorization.

190129685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24483.

The product of its (nonzero) digits is 38880, while the sum is 41.

The square root of 190129685 is about 13788.7521190280. The cubic root of 190129685 is about 575.0204756414.

The spelling of 190129685 in words is "one hundred ninety million, one hundred twenty-nine thousand, six hundred eighty-five".