138425483 has 4 divisors (see below), whose sum is σ = 158200560. Its totient is φ = 118650408.

The previous prime is 138425479. The next prime is 138425489. The reversal of 138425483 is 384524831.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 138425483 - 2² = 138425479 is a prime.

It is a super-2 number, since 2×138425483² = 38323228687566578, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (138425489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9887528 + ... + 9887541.

It is an arithmetic number, because the mean of its divisors is an integer number (39550140).

Almost surely, 2^138425483 is an apocalyptic number.

138425483 is a deficient number, since it is larger than the sum of its proper divisors (19775077).

138425483 is an equidigital number, since it uses as much as digits as its factorization.

138425483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19775076.

The product of its digits is 92160, while the sum is 38.

The square root of 138425483 is about 11765.4359460243. The cubic root of 138425483 is about 517.2954786269.

The spelling of 138425483 in words is "one hundred thirty-eight million, four hundred twenty-five thousand, four hundred eighty-three".