239144103561 has 16 divisors (see below), whose sum is σ = 347856784128. Its totient is φ = 144931314000.

The previous prime is 239144103503. The next prime is 239144103617. The reversal of 239144103561 is 165301441932.

It is not a de Polignac number, because 239144103561 - 2⁷ = 239144103433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (239144103061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1189386 + ... + 1375836.

It is an arithmetic number, because the mean of its divisors is an integer number (21741049008).

Almost surely, 2^239144103561 is an apocalyptic number.

It is an amenable number.

239144103561 is a deficient number, since it is larger than the sum of its proper divisors (108712680567).

239144103561 is a wasteful number, since it uses less digits than its factorization.

239144103561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225332.

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 239144103561 in words is "two hundred thirty-nine billion, one hundred forty-four million, one hundred three thousand, five hundred sixty-one".