138010880 has 144 divisors (see below), whose sum is σ = 384795264. Its totient is φ = 46448640.

The previous prime is 138010861. The next prime is 138010883. The reversal of 138010880 is 88010831.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (138010883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 653975 + ... + 654185.

Almost surely, 2^138010880 is an apocalyptic number.

138010880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 138010880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192397632).

138010880 is an abundant number, since it is smaller than the sum of its proper divisors (246784384).

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

138010880 is an equidigital number, since it uses as much as digits as its factorization.

138010880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 138010880 is about 11747.8031988964. The cubic root of 138010880 is about 516.7785055616.

The spelling of 138010880 in words is "one hundred thirty-eight million, ten thousand, eight hundred eighty".