239056138 has 8 divisors (see below), whose sum is σ = 377457120. Its totient is φ = 113237100.

The previous prime is 239056127. The next prime is 239056163. The reversal of 239056138 is 831650932.

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 = 239056097 and 239056106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3145438 + ... + 3145513.

It is an arithmetic number, because the mean of its divisors is an integer number (47182140).

Almost surely, 2^239056138 is an apocalyptic number.

239056138 is a deficient number, since it is larger than the sum of its proper divisors (138400982).

239056138 is a wasteful number, since it uses less digits than its factorization.

239056138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6290972.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 239056138 is about 15461.4403598112. The cubic root of 239056138 is about 620.6307645873.

The spelling of 239056138 in words is "two hundred thirty-nine million, fifty-six thousand, one hundred thirty-eight".