450713138 has 4 divisors (see below), whose sum is σ = 676069710. Its totient is φ = 225356568.

The previous prime is 450713111. The next prime is 450713141. The reversal of 450713138 is 831317054.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 450161089 + 552049 = 21217^2 + 743^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112678283 + ... + 112678286.

Almost surely, 2^450713138 is an apocalyptic number.

450713138 is a deficient number, since it is larger than the sum of its proper divisors (225356572).

450713138 is a wasteful number, since it uses less digits than its factorization.

450713138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225356571.

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

The square root of 450713138 is about 21230.0056052748. The cubic root of 450713138 is about 766.7140219856.

The spelling of 450713138 in words is "four hundred fifty million, seven hundred thirteen thousand, one hundred thirty-eight".