138183425 has 12 divisors (see below), whose sum is σ = 178798080. Its totient is φ = 105739920.

The previous prime is 138183421. The next prime is 138183433. The reversal of 138183425 is 524381831.

It is a happy number.

It is not a de Polignac number, because 138183425 - 2² = 138183421 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (138183421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119585 + ... + 120734.

It is an arithmetic number, because the mean of its divisors is an integer number (14899840).

Almost surely, 2^138183425 is an apocalyptic number.

It is an amenable number.

138183425 is a deficient number, since it is larger than the sum of its proper divisors (40614655).

138183425 is a wasteful number, since it uses less digits than its factorization.

138183425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240352 (or 240347 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 138183425 is about 11755.1446184213. The cubic root of 138183425 is about 516.9937794422.

The spelling of 138183425 in words is "one hundred thirty-eight million, one hundred eighty-three thousand, four hundred twenty-five".