138981226603 has 8 divisors (see below), whose sum is σ = 139475999520. Its totient is φ = 138486761280.

The previous prime is 138981226597. The next prime is 138981226633. The reversal of 138981226603 is 306622189831.

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 138981226603 - 2²¹ = 138979129451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138981226633) 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, 848101 + ... + 998617.

It is an arithmetic number, because the mean of its divisors is an integer number (17434499940).

Almost surely, 2^138981226603 is an apocalyptic number.

138981226603 is a deficient number, since it is larger than the sum of its proper divisors (494772917).

138981226603 is a wasteful number, since it uses less digits than its factorization.

138981226603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153797.

The product of its (nonzero) digits is 746496, while the sum is 49.

The spelling of 138981226603 in words is "one hundred thirty-eight billion, nine hundred eighty-one million, two hundred twenty-six thousand, six hundred three".