190486134 has 128 divisors (see below), whose sum is σ = 472780800. Its totient is φ = 56609280.

The previous prime is 190486133. The next prime is 190486141. The reversal of 190486134 is 431684091.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190486133) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1685662 + ... + 1685774.

It is an arithmetic number, because the mean of its divisors is an integer number (3693600).

Almost surely, 2^190486134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190486134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236390400).

190486134 is an abundant number, since it is smaller than the sum of its proper divisors (282294666).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

190486134 is a wasteful number, since it uses less digits than its factorization.

190486134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 190486134 is about 13801.6714205201. The cubic root of 190486134 is about 575.3795945926.

The spelling of 190486134 in words is "one hundred ninety million, four hundred eighty-six thousand, one hundred thirty-four".