138274603 has 2 divisors, whose sum is σ = 138274604. Its totient is φ = 138274602.

The previous prime is 138274579. The next prime is 138274607. The reversal of 138274603 is 306472831.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 138274603 - 2¹³ = 138266411 is a prime.

It is not a weakly prime, because it can be changed into another prime (138274607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69137301 + 69137302.

It is an arithmetic number, because the mean of its divisors is an integer number (69137302).

Almost surely, 2^138274603 is an apocalyptic number.

138274603 is a deficient number, since it is larger than the sum of its proper divisors (1).

138274603 is an equidigital number, since it uses as much as digits as its factorization.

138274603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 138274603 is about 11759.0221957440. The cubic root of 138274603 is about 517.1074643138.

The spelling of 138274603 in words is "one hundred thirty-eight million, two hundred seventy-four thousand, six hundred three".