138285593641 has 8 divisors (see below), whose sum is σ = 156760997120. Its totient is φ = 120929911632.

The previous prime is 138285593573. The next prime is 138285593651. The reversal of 138285593641 is 146395582831.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-138285593641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (138285593651) 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, 279930105 + ... + 279930598.

It is an arithmetic number, because the mean of its divisors is an integer number (19595124640).

Almost surely, 2^138285593641 is an apocalyptic number.

It is an amenable number.

138285593641 is a deficient number, since it is larger than the sum of its proper divisors (18475403479).

138285593641 is a wasteful number, since it uses less digits than its factorization.

138285593641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559860735.

The product of its digits is 6220800, while the sum is 55.

The spelling of 138285593641 in words is "one hundred thirty-eight billion, two hundred eighty-five million, five hundred ninety-three thousand, six hundred forty-one".