138333717437430 has 128 divisors (see below), whose sum is σ = 345697654934016. Its totient is φ = 35396838374400.

The previous prime is 138333717437387. The next prime is 138333717437453. The reversal of 138333717437430 is 34734717333831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1257672897 + ... + 1257782883.

It is an arithmetic number, because the mean of its divisors is an integer number (2700762929172).

Almost surely, 2^{138333717437430} is an apocalyptic number.

138333717437430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 138333717437430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172848827467008).

138333717437430 is an abundant number, since it is smaller than the sum of its proper divisors (207363937496586).

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

138333717437430 is a wasteful number, since it uses less digits than its factorization.

138333717437430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126862.

The product of its (nonzero) digits is 32006016, while the sum is 57.

The spelling of 138333717437430 in words is "one hundred thirty-eight trillion, three hundred thirty-three billion, seven hundred seventeen million, four hundred thirty-seven thousand, four hundred thirty".