338136745 has 8 divisors (see below), whose sum is σ = 405929160. Its totient is φ = 270399360.

The previous prime is 338136697. The next prime is 338136761. The reversal of 338136745 is 547631833.

It can be written as a sum of positive squares in 4 ways, for example, as 92525161 + 245611584 = 9619^2 + 15672^2 .

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

It is not a de Polignac number, because 338136745 - 2⁹ = 338136233 is a prime.

It is a super-2 number, since 2×338136745² = 228672916638390050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 338136698 and 338136707.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1255 + ... + 26035.

It is an arithmetic number, because the mean of its divisors is an integer number (50741145).

Almost surely, 2^338136745 is an apocalyptic number.

It is an amenable number.

338136745 is a deficient number, since it is larger than the sum of its proper divisors (67792415).

338136745 is a wasteful number, since it uses less digits than its factorization.

338136745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27515.

The product of its digits is 181440, while the sum is 40.

The square root of 338136745 is about 18388.4949085019. The cubic root of 338136745 is about 696.6759030798.

The spelling of 338136745 in words is "three hundred thirty-eight million, one hundred thirty-six thousand, seven hundred forty-five".