138585456545 has 8 divisors (see below), whose sum is σ = 169840900224. Its totient is φ = 108509463664.

The previous prime is 138585456521. The next prime is 138585456557. The reversal of 138585456545 is 545654585831.

It is a happy number.

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 138585456545 - 2⁶ = 138585456481 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294862439 + ... + 294862908.

It is an arithmetic number, because the mean of its divisors is an integer number (21230112528).

Almost surely, 2^138585456545 is an apocalyptic number.

It is an amenable number.

138585456545 is a deficient number, since it is larger than the sum of its proper divisors (31255443679).

138585456545 is an equidigital number, since it uses as much as digits as its factorization.

138585456545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589725399.

The product of its digits is 57600000, while the sum is 59.

The spelling of 138585456545 in words is "one hundred thirty-eight billion, five hundred eighty-five million, four hundred fifty-six thousand, five hundred forty-five".