138603035208738 has 8 divisors (see below), whose sum is σ = 277206070417488. Its totient is φ = 46201011736244.

The previous prime is 138603035208731. The next prime is 138603035208739. The reversal of 138603035208738 is 837802530306831.

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

138603035208738 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (138603035208731) 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, 11550252934056 + ... + 11550252934067.

It is an arithmetic number, because the mean of its divisors is an integer number (34650758802186).

Almost surely, 2^{138603035208738} is an apocalyptic number.

138603035208738 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138603035208738 is a wasteful number, since it uses less digits than its factorization.

138603035208738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23100505868128.

The product of its (nonzero) digits is 17418240, while the sum is 57.

The spelling of 138603035208738 in words is "one hundred thirty-eight trillion, six hundred three billion, thirty-five million, two hundred eight thousand, seven hundred thirty-eight".