138280386453 has 16 divisors (see below), whose sum is σ = 201142917696. Its totient is φ = 83803040640.

The previous prime is 138280386421. The next prime is 138280386457. The reversal of 138280386453 is 354683082831.

It is a happy number.

It is not a de Polignac number, because 138280386453 - 2⁵ = 138280386421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 138280386396 and 138280386405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138280386457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 993225 + ... + 1123857.

It is an arithmetic number, because the mean of its divisors is an integer number (12571432356).

Almost surely, 2^138280386453 is an apocalyptic number.

It is an amenable number.

138280386453 is a deficient number, since it is larger than the sum of its proper divisors (62862531243).

138280386453 is a wasteful number, since it uses less digits than its factorization.

138280386453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162724.

The product of its (nonzero) digits is 3317760, while the sum is 51.

The spelling of 138280386453 in words is "one hundred thirty-eight billion, two hundred eighty million, three hundred eighty-six thousand, four hundred fifty-three".