139347621000 has 1344 divisors, whose sum is σ = 587802458880. Its totient is φ = 30797625600.

The previous prime is 139347620987. The next prime is 139347621029. The reversal of 139347621000 is 126743931.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 335 ways as a sum of consecutive naturals, for example, 1678886959 + ... + 1678887041.

It is an arithmetic number, because the mean of its divisors is an integer number (437353020).

Almost surely, 2^139347621000 is an apocalyptic number.

139347621000 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 139347621000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293901229440).

139347621000 is an abundant number, since it is smaller than the sum of its proper divisors (448454837880).

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

139347621000 is an equidigital number, since it uses as much as digits as its factorization.

139347621000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The spelling of 139347621000 in words is "one hundred thirty-nine billion, three hundred forty-seven million, six hundred twenty-one thousand".