138025401593 has 8 divisors (see below), whose sum is σ = 138377807040. Its totient is φ = 137673431280.

The previous prime is 138025401589. The next prime is 138025401643. The reversal of 138025401593 is 395104520831.

138025401593 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 138025401593 - 2² = 138025401589 is a prime.

It is a super-2 number, since 2×138025401593² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 138025401593.

It is not an unprimeable number, because it can be changed into a prime (138025401533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 531218 + ... + 747156.

It is an arithmetic number, because the mean of its divisors is an integer number (17297225880).

Almost surely, 2^138025401593 is an apocalyptic number.

It is an amenable number.

138025401593 is a deficient number, since it is larger than the sum of its proper divisors (352405447).

138025401593 is an equidigital number, since it uses as much as digits as its factorization.

138025401593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217567.

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 138025401593 in words is "one hundred thirty-eight billion, twenty-five million, four hundred one thousand, five hundred ninety-three".