338920136 has 8 divisors (see below), whose sum is σ = 635475270. Its totient is φ = 169460064.

The previous prime is 338920123. The next prime is 338920189. The reversal of 338920136 is 631029833.

It can be written as a sum of positive squares in only one way, i.e., 182520100 + 156400036 = 13510^2 + 12506^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×338920136² = 229733717172516992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 338920096 and 338920105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21182501 + ... + 21182516.

Almost surely, 2^338920136 is an apocalyptic number.

It is an amenable number.

338920136 is a deficient number, since it is larger than the sum of its proper divisors (296555134).

338920136 is a wasteful number, since it uses less digits than its factorization.

338920136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42365023 (or 42365019 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 338920136 is about 18409.7837032378. The cubic root of 338920136 is about 697.2135048092.

Adding to 338920136 its reverse (631029833), we get a palindrome (969949969).

The spelling of 338920136 in words is "three hundred thirty-eight million, nine hundred twenty thousand, one hundred thirty-six".