497440137 has 8 divisors (see below), whose sum is σ = 665598304. Its totient is φ = 330454368.

The previous prime is 497440133. The next prime is 497440157. The reversal of 497440137 is 731044794.

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

It is not a de Polignac number, because 497440137 - 2² = 497440133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 497440095 and 497440104.

It is not an unprimeable number, because it can be changed into a prime (497440133) 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, 292108 + ... + 293805.

It is an arithmetic number, because the mean of its divisors is an integer number (83199788).

Almost surely, 2^497440137 is an apocalyptic number.

It is an amenable number.

497440137 is a deficient number, since it is larger than the sum of its proper divisors (168158167).

497440137 is a wasteful number, since it uses less digits than its factorization.

497440137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586199.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 497440137 is about 22303.3660464065. The cubic root of 497440137 is about 792.3436980742.

The spelling of 497440137 in words is "four hundred ninety-seven million, four hundred forty thousand, one hundred thirty-seven".