139552355889 has 24 divisors (see below), whose sum is σ = 201914235432. Its totient is φ = 92878736640.

The previous prime is 139552355849. The next prime is 139552355897. The reversal of 139552355889 is 988553255931.

139552355889 is a `hidden beast` number, since 1 + 3 + 9 + 55 + 23 + 558 + 8 + 9 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 911556864 + 138640799025 = 30192^2 + 372345^2 .

It is not a de Polignac number, because 139552355889 - 2⁸ = 139552355633 is a prime.

It is a super-2 number, since 2×139552355889² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (139552355849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30093079 + ... + 30097715.

It is an arithmetic number, because the mean of its divisors is an integer number (8413093143).

Almost surely, 2^139552355889 is an apocalyptic number.

It is an amenable number.

139552355889 is a deficient number, since it is larger than the sum of its proper divisors (62361879543).

139552355889 is a wasteful number, since it uses less digits than its factorization.

139552355889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9537 (or 9534 counting only the distinct ones).

The product of its digits is 58320000, while the sum is 63.

The spelling of 139552355889 in words is "one hundred thirty-nine billion, five hundred fifty-two million, three hundred fifty-five thousand, eight hundred eighty-nine".