139016545920 has 512 divisors, whose sum is σ = 570646425600. Its totient is φ = 31325736960.

The previous prime is 139016545919. The next prime is 139016545931. The reversal of 139016545920 is 29545610931.

139016545920 is a `hidden beast` number, since 1 + 3 + 9 + 0 + 1 + 6 + 54 + 592 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8580067 + ... + 8596253.

It is an arithmetic number, because the mean of its divisors is an integer number (1114543800).

Almost surely, 2^139016545920 is an apocalyptic number.

139016545920 is a gapful number since it is divisible by the number (10) 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 139016545920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285323212800).

139016545920 is an abundant number, since it is smaller than the sum of its proper divisors (431629879680).

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

139016545920 is a wasteful number, since it uses less digits than its factorization.

139016545920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16293 (or 16275 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The spelling of 139016545920 in words is "one hundred thirty-nine billion, sixteen million, five hundred forty-five thousand, nine hundred twenty".