138003395 has 4 divisors (see below), whose sum is σ = 165604080. Its totient is φ = 110402712.

The previous prime is 138003389. The next prime is 138003401. The reversal of 138003395 is 593300831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 593300831 = 137 ⋅4330663.

It is an interprime number because it is at equal distance from previous prime (138003389) and next prime (138003401).

It is a cyclic number.

It is not a de Polignac number, because 138003395 - 2¹⁶ = 137937859 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13800335 + ... + 13800344.

It is an arithmetic number, because the mean of its divisors is an integer number (41401020).

Almost surely, 2^138003395 is an apocalyptic number.

138003395 is a deficient number, since it is larger than the sum of its proper divisors (27600685).

138003395 is an equidigital number, since it uses as much as digits as its factorization.

138003395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27600684.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 138003395 is about 11747.4846243781. The cubic root of 138003395 is about 516.7691629236.

The spelling of 138003395 in words is "one hundred thirty-eight million, three thousand, three hundred ninety-five".