138358553483 has 4 divisors (see below), whose sum is σ = 139447991040. Its totient is φ = 137269115928.

The previous prime is 138358553477. The next prime is 138358553507. The reversal of 138358553483 is 384355853831.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 138358553483 - 2⁸ = 138358553227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138358555483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 544718588 + ... + 544718841.

It is an arithmetic number, because the mean of its divisors is an integer number (34861997760).

Almost surely, 2^138358553483 is an apocalyptic number.

138358553483 is a deficient number, since it is larger than the sum of its proper divisors (1089437557).

138358553483 is a wasteful number, since it uses less digits than its factorization.

138358553483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089437556.

The product of its digits is 20736000, while the sum is 56.

The spelling of 138358553483 in words is "one hundred thirty-eight billion, three hundred fifty-eight million, five hundred fifty-three thousand, four hundred eighty-three".