138701130 has 96 divisors (see below), whose sum is σ = 365487552. Its totient is φ = 33569280.

The previous prime is 138701119. The next prime is 138701177. The reversal of 138701130 is 31107831.

It is a self number, because there is not a number n which added to its sum of digits gives 138701130.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 489969 + ... + 490251.

It is an arithmetic number, because the mean of its divisors is an integer number (3807162).

Almost surely, 2^138701130 is an apocalyptic number.

138701130 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 138701130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182743776).

138701130 is an abundant number, since it is smaller than the sum of its proper divisors (226786422).

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

138701130 is a wasteful number, since it uses less digits than its factorization.

138701130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 138701130 is about 11777.1443907256. The cubic root of 138701130 is about 517.6386148786.

Adding to 138701130 its reverse (31107831), we get a palindrome (169808961).

It can be divided in two parts, 138701 and 130, that added together give a palindrome (138831).

The spelling of 138701130 in words is "one hundred thirty-eight million, seven hundred one thousand, one hundred thirty".