138214603 has 4 divisors (see below), whose sum is σ = 138245800. Its totient is φ = 138183408.

The previous prime is 138214591. The next prime is 138214651. The reversal of 138214603 is 306412831.

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 138214603 - 2⁹ = 138214091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138214663) 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, 7578 + ... + 18271.

It is an arithmetic number, because the mean of its divisors is an integer number (34561450).

Almost surely, 2^138214603 is an apocalyptic number.

138214603 is a deficient number, since it is larger than the sum of its proper divisors (31197).

138214603 is an equidigital number, since it uses as much as digits as its factorization.

138214603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31196.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 138214603 is about 11756.4706863922. The cubic root of 138214603 is about 517.0326592136.

The spelling of 138214603 in words is "one hundred thirty-eight million, two hundred fourteen thousand, six hundred three".