138828144458554 has 8 divisors (see below), whose sum is σ = 209176038288000. Its totient is φ = 69102798362556.

The previous prime is 138828144458551. The next prime is 138828144458623. The reversal of 138828144458554 is 455854441828831.

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

It is not an unprimeable number, because it can be changed into a prime (138828144458551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155636932804 + ... + 155636933695.

It is an arithmetic number, because the mean of its divisors is an integer number (26147004786000).

Almost surely, 2^{138828144458554} is an apocalyptic number.

138828144458554 is a deficient number, since it is larger than the sum of its proper divisors (70347893829446).

138828144458554 is a wasteful number, since it uses less digits than its factorization.

138828144458554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311273866724.

The product of its digits is 786432000, while the sum is 70.

The spelling of 138828144458554 in words is "one hundred thirty-eight trillion, eight hundred twenty-eight billion, one hundred forty-four million, four hundred fifty-eight thousand, five hundred fifty-four".