138553355519 has 2 divisors, whose sum is σ = 138553355520. Its totient is φ = 138553355518.

The previous prime is 138553355411. The next prime is 138553355533. The reversal of 138553355519 is 915553355831.

138553355519 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 138553355519 - 2²⁰ = 138552306943 is a prime.

It is a super-2 number, since 2×138553355519² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138553358519) 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 as a sum of consecutive naturals, namely, 69276677759 + 69276677760.

It is an arithmetic number, because the mean of its divisors is an integer number (69276677760).

Almost surely, 2^138553355519 is an apocalyptic number.

138553355519 is a deficient number, since it is larger than the sum of its proper divisors (1).

138553355519 is an equidigital number, since it uses as much as digits as its factorization.

138553355519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6075000, while the sum is 53.

The spelling of 138553355519 in words is "one hundred thirty-eight billion, five hundred fifty-three million, three hundred fifty-five thousand, five hundred nineteen".