139324538808 has 256 divisors, whose sum is σ = 483036825600. Its totient is φ = 36227036160.

The previous prime is 139324538807. The next prime is 139324538827. The reversal of 139324538808 is 808835423931.

139324538808 is a `hidden beast` number, since 1 + 3 + 9 + 3 + 24 + 538 + 80 + 8 = 666.

139324538808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×139324538808² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139324538807) 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 63 ways as a sum of consecutive naturals, for example, 1345660 + ... + 1445492.

It is an arithmetic number, because the mean of its divisors is an integer number (1886862600).

Almost surely, 2^139324538808 is an apocalyptic number.

139324538808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139324538808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241518412800).

139324538808 is an abundant number, since it is smaller than the sum of its proper divisors (343712286792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139324538808 is a wasteful number, since it uses less digits than its factorization.

139324538808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99939 (or 99929 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 139324538808 in words is "one hundred thirty-nine billion, three hundred twenty-four million, five hundred thirty-eight thousand, eight hundred eight".