138830017737225 has 24 divisors (see below), whose sum is σ = 231052377441472. Its totient is φ = 73552327272000.

The previous prime is 138830017737221. The next prime is 138830017737247. The reversal of 138830017737225 is 522737710038831.

It is not a de Polignac number, because 138830017737225 - 2² = 138830017737221 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138830017737221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6129349282 + ... + 6129371931.

Almost surely, 2^{138830017737225} is an apocalyptic number.

138830017737225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

138830017737225 is a deficient number, since it is larger than the sum of its proper divisors (92222359704247).

138830017737225 is a wasteful number, since it uses less digits than its factorization.

138830017737225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12258721377 (or 12258721372 counting only the distinct ones).

The product of its (nonzero) digits is 11854080, while the sum is 57.

The spelling of 138830017737225 in words is "one hundred thirty-eight trillion, eight hundred thirty billion, seventeen million, seven hundred thirty-seven thousand, two hundred twenty-five".