494887137 has 8 divisors (see below), whose sum is σ = 661464480. Its totient is φ = 329117280.

The previous prime is 494887109. The next prime is 494887157. The reversal of 494887137 is 731788494.

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

It is not a de Polignac number, because 494887137 - 2¹⁵ = 494854369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 494887137.

It is not an unprimeable number, because it can be changed into a prime (494887157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200439 + ... + 202892.

It is an arithmetic number, because the mean of its divisors is an integer number (82683060).

Almost surely, 2^494887137 is an apocalyptic number.

It is an amenable number.

494887137 is a deficient number, since it is larger than the sum of its proper divisors (166577343).

494887137 is a wasteful number, since it uses less digits than its factorization.

494887137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403743.

The product of its digits is 1354752, while the sum is 51.

The square root of 494887137 is about 22246.0589093889. The cubic root of 494887137 is about 790.9858636834.

The spelling of 494887137 in words is "four hundred ninety-four million, eight hundred eighty-seven thousand, one hundred thirty-seven".