139237812000 has 1152 divisors, whose sum is σ = 598558222080. Its totient is φ = 31343155200.

The previous prime is 139237811989. The next prime is 139237812001. The reversal of 139237812000 is 218732931.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139237812001) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 439235842 + ... + 439236158.

It is an arithmetic number, because the mean of its divisors is an integer number (519581790).

Almost surely, 2^139237812000 is an apocalyptic number.

139237812000 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 139237812000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299279111040).

139237812000 is an abundant number, since it is smaller than the sum of its proper divisors (459320410080).

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

139237812000 is a wasteful number, since it uses less digits than its factorization.

139237812000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The spelling of 139237812000 in words is "one hundred thirty-nine billion, two hundred thirty-seven million, eight hundred twelve thousand".