138751376 has 40 divisors (see below), whose sum is σ = 285844800. Its totient is φ = 65059200.

The previous prime is 138751373. The next prime is 138751397. The reversal of 138751376 is 673157831.

It is not an unprimeable number, because it can be changed into a prime (138751373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28445 + ... + 32963.

It is an arithmetic number, because the mean of its divisors is an integer number (7146120).

Almost surely, 2^138751376 is an apocalyptic number.

138751376 is a gapful number since it is divisible by the number (16) 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 138751376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142922400).

138751376 is an abundant number, since it is smaller than the sum of its proper divisors (147093424).

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

138751376 is a wasteful number, since it uses less digits than its factorization.

138751376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4647 (or 4641 counting only the distinct ones).

The product of its digits is 105840, while the sum is 41.

The square root of 138751376 is about 11779.2773971921. The cubic root of 138751376 is about 517.7011140804.

It can be divided in two parts, 13875 and 1376, that added together give a palindrome (15251).

The spelling of 138751376 in words is "one hundred thirty-eight million, seven hundred fifty-one thousand, three hundred seventy-six".