368659138 has 4 divisors (see below), whose sum is σ = 552988710. Its totient is φ = 184329568.

The previous prime is 368659133. The next prime is 368659153. The reversal of 368659138 is 831956863.

368659138 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 831956863 = 17 ⋅48938639.

It can be written as a sum of positive squares in only one way, i.e., 362788209 + 5870929 = 19047^2 + 2423^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 368659091 and 368659100.

It is not an unprimeable number, because it can be changed into a prime (368659133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 92164783 + ... + 92164786.

Almost surely, 2^368659138 is an apocalyptic number.

368659138 is a deficient number, since it is larger than the sum of its proper divisors (184329572).

368659138 is a wasteful number, since it uses less digits than its factorization.

368659138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184329571.

The product of its digits is 933120, while the sum is 49.

The square root of 368659138 is about 19200.4983789484. The cubic root of 368659138 is about 717.0371673832.

The spelling of 368659138 in words is "three hundred sixty-eight million, six hundred fifty-nine thousand, one hundred thirty-eight".