139228538553 has 16 divisors (see below), whose sum is σ = 222131002240. Its totient is φ = 85679100432.

The previous prime is 139228538551. The next prime is 139228538591. The reversal of 139228538553 is 355835822931.

It is a happy number.

139228538553 is a `hidden beast` number, since 1 + 3 + 9 + 2 + 2 + 85 + 3 + 8 + 553 = 666.

139228538553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 139228538553 - 2¹ = 139228538551 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 139228538553.

It is not an unprimeable number, because it can be changed into a prime (139228538551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198330901 + ... + 198331602.

It is an arithmetic number, because the mean of its divisors is an integer number (13883187640).

Almost surely, 2^139228538553 is an apocalyptic number.

139228538553 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

139228538553 is a deficient number, since it is larger than the sum of its proper divisors (82902463687).

139228538553 is a wasteful number, since it uses less digits than its factorization.

139228538553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396662525 (or 396662519 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 54.

The spelling of 139228538553 in words is "one hundred thirty-nine billion, two hundred twenty-eight million, five hundred thirty-eight thousand, five hundred fifty-three".