305341138 has 8 divisors (see below), whose sum is σ = 458172288. Its totient is φ = 152617044.

The previous prime is 305341133. The next prime is 305341139. The reversal of 305341138 is 831143503.

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 (305341133) 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, 19206 + ... + 31297.

It is an arithmetic number, because the mean of its divisors is an integer number (57271536).

Almost surely, 2^305341138 is an apocalyptic number.

305341138 is a deficient number, since it is larger than the sum of its proper divisors (152831150).

305341138 is a wasteful number, since it uses less digits than its factorization.

305341138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53528.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 305341138 is about 17474.0132196356. The cubic root of 305341138 is about 673.3824187876.

The spelling of 305341138 in words is "three hundred five million, three hundred forty-one thousand, one hundred thirty-eight".