239705388242 has 4 divisors (see below), whose sum is σ = 359558082366. Its totient is φ = 119852694120.

The previous prime is 239705388229. The next prime is 239705388257. The reversal of 239705388242 is 242883507932.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 126580119961 + 113125268281 = 355781^2 + 336341^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59926347059 + ... + 59926347062.

Almost surely, 2^239705388242 is an apocalyptic number.

239705388242 is a deficient number, since it is larger than the sum of its proper divisors (119852694124).

239705388242 is a wasteful number, since it uses less digits than its factorization.

239705388242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119852694123.

The product of its (nonzero) digits is 5806080, while the sum is 53.

The spelling of 239705388242 in words is "two hundred thirty-nine billion, seven hundred five million, three hundred eighty-eight thousand, two hundred forty-two".