364439138 has 8 divisors (see below), whose sum is σ = 624752832. Its totient is φ = 156188196.

The previous prime is 364439137. The next prime is 364439189. The reversal of 364439138 is 831934463.

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 = 364439095 and 364439104.

It is not an unprimeable number, because it can be changed into a prime (364439137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13015670 + ... + 13015697.

It is an arithmetic number, because the mean of its divisors is an integer number (78094104).

Almost surely, 2^364439138 is an apocalyptic number.

364439138 is a deficient number, since it is larger than the sum of its proper divisors (260313694).

364439138 is a wasteful number, since it uses less digits than its factorization.

364439138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26031376.

The product of its digits is 186624, while the sum is 41.

The square root of 364439138 is about 19090.2891020540. The cubic root of 364439138 is about 714.2907129822.

The spelling of 364439138 in words is "three hundred sixty-four million, four hundred thirty-nine thousand, one hundred thirty-eight".