317450138 has 8 divisors (see below), whose sum is σ = 501237120. Its totient is φ = 150371100.

The previous prime is 317450131. The next prime is 317450143. The reversal of 317450138 is 831054713.

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

It is not an unprimeable number, because it can be changed into a prime (317450131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4176938 + ... + 4177013.

It is an arithmetic number, because the mean of its divisors is an integer number (62654640).

Almost surely, 2^317450138 is an apocalyptic number.

317450138 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

317450138 is a deficient number, since it is larger than the sum of its proper divisors (183786982).

317450138 is a wasteful number, since it uses less digits than its factorization.

317450138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8353972.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 317450138 is about 17817.1304648083. The cubic root of 317450138 is about 682.1687805911.

The spelling of 317450138 in words is "three hundred seventeen million, four hundred fifty thousand, one hundred thirty-eight".