138319325 has 12 divisors (see below), whose sum is σ = 171670560. Its totient is φ = 110555760.

The previous prime is 138319277. The next prime is 138319333. The reversal of 138319325 is 523913831.

It is a happy number.

It is not a de Polignac number, because 138319325 - 2¹⁸ = 138057181 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40016 + ... + 43334.

It is an arithmetic number, because the mean of its divisors is an integer number (14305880).

Almost surely, 2^138319325 is an apocalyptic number.

It is an amenable number.

138319325 is a deficient number, since it is larger than the sum of its proper divisors (33351235).

138319325 is a wasteful number, since it uses less digits than its factorization.

138319325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4996 (or 4991 counting only the distinct ones).

The product of its digits is 19440, while the sum is 35.

The square root of 138319325 is about 11760.9236457006. The cubic root of 138319325 is about 517.1632074673.

The spelling of 138319325 in words is "one hundred thirty-eight million, three hundred nineteen thousand, three hundred twenty-five".