399068134 has 8 divisors (see below), whose sum is σ = 630107640. Its totient is φ = 189032256.

The previous prime is 399068123. The next prime is 399068141. The reversal of 399068134 is 431860993.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5250859 + ... + 5250934.

It is an arithmetic number, because the mean of its divisors is an integer number (78763455).

Almost surely, 2^399068134 is an apocalyptic number.

399068134 is a deficient number, since it is larger than the sum of its proper divisors (231039506).

399068134 is a wasteful number, since it uses less digits than its factorization.

399068134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10501814.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 399068134 is about 19976.6897658246. The cubic root of 399068134 is about 736.2336842141.

The spelling of 399068134 in words is "three hundred ninety-nine million, sixty-eight thousand, one hundred thirty-four".