138262506325 has 6 divisors (see below), whose sum is σ = 171445507874. Its totient is φ = 110610005040.

The previous prime is 138262506293. The next prime is 138262506331. The reversal of 138262506325 is 523605262831.

It can be written as a sum of positive squares in 3 ways, for example, as 11200200561 + 127062305764 = 105831^2 + 356458^2 .

It is not a de Polignac number, because 138262506325 - 2⁵ = 138262506293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2765250102 + ... + 2765250151.

Almost surely, 2^138262506325 is an apocalyptic number.

It is an amenable number.

138262506325 is a deficient number, since it is larger than the sum of its proper divisors (33183001549).

138262506325 is an equidigital number, since it uses as much as digits as its factorization.

138262506325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5530500263 (or 5530500258 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 43.

It can be divided in two parts, 138262506 and 325, that added together give a palindrome (138262831).

The spelling of 138262506325 in words is "one hundred thirty-eight billion, two hundred sixty-two million, five hundred six thousand, three hundred twenty-five".