490198135 has 16 divisors (see below), whose sum is σ = 683295552. Its totient is φ = 330624000.

The previous prime is 490198069. The next prime is 490198141. The reversal of 490198135 is 531891094.

It is not a de Polignac number, because 490198135 - 2⁹ = 490197623 is a prime.

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 (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112666 + ... + 116935.

It is an arithmetic number, because the mean of its divisors is an integer number (42705972).

Almost surely, 2^490198135 is an apocalyptic number.

490198135 is a deficient number, since it is larger than the sum of its proper divisors (193097417).

490198135 is a wasteful number, since it uses less digits than its factorization.

490198135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229674.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 490198135 is about 22140.4185823123. The cubic root of 490198135 is about 788.4797634787.

The spelling of 490198135 in words is "four hundred ninety million, one hundred ninety-eight thousand, one hundred thirty-five".