138362461133 has 4 divisors (see below), whose sum is σ = 149005727388. Its totient is φ = 127719194880.

The previous prime is 138362461073. The next prime is 138362461201. The reversal of 138362461133 is 331164263831.

138362461133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8771820964 + 129590640169 = 93658^2 + 359987^2 .

It is a cyclic number.

It is not a de Polignac number, because 138362461133 - 2¹⁶ = 138362395597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138362463133) 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 3 ways as a sum of consecutive naturals, for example, 5321633108 + ... + 5321633133.

It is an arithmetic number, because the mean of its divisors is an integer number (37251431847).

Almost surely, 2^138362461133 is an apocalyptic number.

138362461133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

138362461133 is a deficient number, since it is larger than the sum of its proper divisors (10643266255).

138362461133 is a wasteful number, since it uses less digits than its factorization.

138362461133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10643266254.

The product of its digits is 186624, while the sum is 41.

The spelling of 138362461133 in words is "one hundred thirty-eight billion, three hundred sixty-two million, four hundred sixty-one thousand, one hundred thirty-three".