138394202597 has 8 divisors (see below), whose sum is σ = 159079051776. Its totient is φ = 117937915632.

The previous prime is 138394202587. The next prime is 138394202621. The reversal of 138394202597 is 795202493831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 138394202597 - 2⁸ = 138394202341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138394202537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57139253 + ... + 57141674.

It is an arithmetic number, because the mean of its divisors is an integer number (19884881472).

Almost surely, 2^138394202597 is an apocalyptic number.

It is an amenable number.

138394202597 is a deficient number, since it is larger than the sum of its proper divisors (20684849179).

138394202597 is a wasteful number, since it uses less digits than its factorization.

138394202597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114281107.

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 138394202597 in words is "one hundred thirty-eight billion, three hundred ninety-four million, two hundred two thousand, five hundred ninety-seven".