138481714 has 8 divisors (see below), whose sum is σ = 237397248. Its totient is φ = 59349300.

The previous prime is 138481691. The next prime is 138481727. The reversal of 138481714 is 417184831.

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

It is a super-2 number, since 2×138481714² = 38354370224755592, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4945762 + ... + 4945789.

It is an arithmetic number, because the mean of its divisors is an integer number (29674656).

Almost surely, 2^138481714 is an apocalyptic number.

138481714 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

138481714 is a deficient number, since it is larger than the sum of its proper divisors (98915534).

138481714 is an equidigital number, since it uses as much as digits as its factorization.

138481714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9891560.

The product of its digits is 21504, while the sum is 37.

The square root of 138481714 is about 11767.8253725996. The cubic root of 138481714 is about 517.3655141522.

It can be divided in two parts, 1384817 and 14, that added together give a palindrome (1384831).

The spelling of 138481714 in words is "one hundred thirty-eight million, four hundred eighty-one thousand, seven hundred fourteen".