494974137 has 12 divisors (see below), whose sum is σ = 767715216. Its totient is φ = 282842280.

The previous prime is 494974121. The next prime is 494974147. The reversal of 494974137 is 731479494.

It is not a de Polignac number, because 494974137 - 2⁴ = 494974121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (494974147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1683439 + ... + 1683732.

It is an arithmetic number, because the mean of its divisors is an integer number (63976268).

Almost surely, 2^494974137 is an apocalyptic number.

It is an amenable number.

494974137 is a deficient number, since it is larger than the sum of its proper divisors (272741079).

494974137 is a wasteful number, since it uses less digits than its factorization.

494974137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3367188 (or 3367181 counting only the distinct ones).

The product of its digits is 762048, while the sum is 48.

The square root of 494974137 is about 22248.0142259933. The cubic root of 494974137 is about 791.0322121218.

The spelling of 494974137 in words is "four hundred ninety-four million, nine hundred seventy-four thousand, one hundred thirty-seven".