138285003 has 8 divisors (see below), whose sum is σ = 187859088. Its totient is φ = 90450464.

The previous prime is 138284999. The next prime is 138285011. The reversal of 138285003 is 300582831.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 138285003 - 2² = 138284999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (138285013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434700 + ... + 435017.

It is an arithmetic number, because the mean of its divisors is an integer number (23482386).

Almost surely, 2^138285003 is an apocalyptic number.

138285003 is a deficient number, since it is larger than the sum of its proper divisors (49574085).

138285003 is an equidigital number, since it uses as much as digits as its factorization.

138285003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869773.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 138285003 is about 11759.4644010686. The cubic root of 138285003 is about 517.1204283305.

The spelling of 138285003 in words is "one hundred thirty-eight million, two hundred eighty-five thousand, three".