345599138 has 8 divisors (see below), whose sum is σ = 518500332. Its totient is φ = 172765696.

The previous prime is 345599057. The next prime is 345599153. The reversal of 345599138 is 831995543.

It can be written as a sum of positive squares in 2 ways, for example, as 345104929 + 494209 = 18577^2 + 703^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 345599092 and 345599101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1295 + ... + 26322.

Almost surely, 2^345599138 is an apocalyptic number.

345599138 is a deficient number, since it is larger than the sum of its proper divisors (172901194).

345599138 is a wasteful number, since it uses less digits than its factorization.

345599138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33876.

The product of its digits is 583200, while the sum is 47.

The square root of 345599138 is about 18590.2968776725. The cubic root of 345599138 is about 701.7636737208.

The spelling of 345599138 in words is "three hundred forty-five million, five hundred ninety-nine thousand, one hundred thirty-eight".