497000139 has 8 divisors (see below), whose sum is σ = 671055360. Its totient is φ = 327139176.

The previous prime is 497000131. The next prime is 497000159. The reversal of 497000139 is 931000794.

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

It is not a de Polignac number, because 497000139 - 2³ = 497000131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (497000131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1048287 + ... + 1048760.

It is an arithmetic number, because the mean of its divisors is an integer number (83881920).

Almost surely, 2^497000139 is an apocalyptic number.

497000139 is a deficient number, since it is larger than the sum of its proper divisors (174055221).

497000139 is a wasteful number, since it uses less digits than its factorization.

497000139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2097129.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 497000139 is about 22293.4999271088. The cubic root of 497000139 is about 792.1100133501.

The spelling of 497000139 in words is "four hundred ninety-seven million, one hundred thirty-nine", and thus it is an aban number.