138555614 has 8 divisors (see below), whose sum is σ = 208124640. Its totient is φ = 69180736.

The previous prime is 138555553. The next prime is 138555629. The reversal of 138555614 is 416555831.

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

It is a Curzon number.

It is a congruent number.

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, 46739 + ... + 49614.

It is an arithmetic number, because the mean of its divisors is an integer number (26015580).

Almost surely, 2^138555614 is an apocalyptic number.

138555614 is a deficient number, since it is larger than the sum of its proper divisors (69569026).

138555614 is an equidigital number, since it uses as much as digits as its factorization.

138555614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97074.

The product of its digits is 72000, while the sum is 38.

The square root of 138555614 is about 11770.9648712414. The cubic root of 138555614 is about 517.4575275341.

The spelling of 138555614 in words is "one hundred thirty-eight million, five hundred fifty-five thousand, six hundred fourteen".