345932138 has 8 divisors (see below), whose sum is σ = 519082788. Its totient is φ = 172904544.

The previous prime is 345932089. The next prime is 345932141. The reversal of 345932138 is 831239543.

It can be written as a sum of positive squares in 2 ways, for example, as 251317609 + 94614529 = 15853^2 + 9727^2 .

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

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, 23381 + ... + 35192.

Almost surely, 2^345932138 is an apocalyptic number.

345932138 is a deficient number, since it is larger than the sum of its proper divisors (173150650).

345932138 is a wasteful number, since it uses less digits than its factorization.

345932138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61528.

The product of its digits is 77760, while the sum is 38.

The square root of 345932138 is about 18599.2510064250. The cubic root of 345932138 is about 701.9889947761.

The spelling of 345932138 in words is "three hundred forty-five million, nine hundred thirty-two thousand, one hundred thirty-eight".