138848410 has 8 divisors (see below), whose sum is σ = 249927156. Its totient is φ = 55539360.

The previous prime is 138848407. The next prime is 138848441. The reversal of 138848410 is 14848831.

It can be written as a sum of positive squares in 2 ways, for example, as 127035441 + 11812969 = 11271^2 + 3437^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 138848410.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6942411 + ... + 6942430.

Almost surely, 2^138848410 is an apocalyptic number.

138848410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138848410 is a deficient number, since it is larger than the sum of its proper divisors (111078746).

138848410 is a wasteful number, since it uses less digits than its factorization.

138848410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13884848.

The product of its (nonzero) digits is 24576, while the sum is 37.

The square root of 138848410 is about 11783.3955208166. The cubic root of 138848410 is about 517.8217685094.

The spelling of 138848410 in words is "one hundred thirty-eight million, eight hundred forty-eight thousand, four hundred ten".