190413785 has 16 divisors (see below), whose sum is σ = 231982272. Its totient is φ = 150024000.

The previous prime is 190413781. The next prime is 190413791. The reversal of 190413785 is 587314091.

It is not a de Polignac number, because 190413785 - 2² = 190413781 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (190413781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105662 + ... + 107448.

It is an arithmetic number, because the mean of its divisors is an integer number (14498892).

Almost surely, 2^190413785 is an apocalyptic number.

It is an amenable number.

190413785 is a deficient number, since it is larger than the sum of its proper divisors (41568487).

190413785 is a wasteful number, since it uses less digits than its factorization.

190413785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2104.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 190413785 is about 13799.0501484704. The cubic root of 190413785 is about 575.3067399289.

The spelling of 190413785 in words is "one hundred ninety million, four hundred thirteen thousand, seven hundred eighty-five".