138654325 has 6 divisors (see below), whose sum is σ = 171931394. Its totient is φ = 110923440.

The previous prime is 138654319. The next prime is 138654331. The reversal of 138654325 is 523456831.

It is an interprime number because it is at equal distance from previous prime (138654319) and next prime (138654331).

It can be written as a sum of positive squares in 3 ways, for example, as 20584369 + 118069956 = 4537^2 + 10866^2 .

It is not a de Polignac number, because 138654325 - 2⁵ = 138654293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2773062 + ... + 2773111.

Almost surely, 2^138654325 is an apocalyptic number.

It is an amenable number.

138654325 is a deficient number, since it is larger than the sum of its proper divisors (33277069).

138654325 is an equidigital number, since it uses as much as digits as its factorization.

138654325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5546183 (or 5546178 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

The square root of 138654325 is about 11775.1571114784. The cubic root of 138654325 is about 517.5803822332.

The spelling of 138654325 in words is "one hundred thirty-eight million, six hundred fifty-four thousand, three hundred twenty-five".