138547246555 has 8 divisors (see below), whose sum is σ = 175007048400. Its totient is φ = 105004228896.

The previous prime is 138547246547. The next prime is 138547246573. The reversal of 138547246555 is 555642745831.

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

It is a cyclic number.

It is not a de Polignac number, because 138547246555 - 2³ = 138547246547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 138547246496 and 138547246505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 729195940 + ... + 729196129.

It is an arithmetic number, because the mean of its divisors is an integer number (21875881050).

Almost surely, 2^138547246555 is an apocalyptic number.

138547246555 is a deficient number, since it is larger than the sum of its proper divisors (36459801845).

138547246555 is a wasteful number, since it uses less digits than its factorization.

138547246555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458392093.

The product of its digits is 20160000, while the sum is 55.

The spelling of 138547246555 in words is "one hundred thirty-eight billion, five hundred forty-seven million, two hundred forty-six thousand, five hundred fifty-five".