139852237840 has 480 divisors, whose sum is σ = 409193809920. Its totient is φ = 43480571904.

The previous prime is 139852237801. The next prime is 139852237883. The reversal of 139852237840 is 48732258931.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 627139969 + ... + 627140191.

It is an arithmetic number, because the mean of its divisors is an integer number (852487104).

Almost surely, 2^139852237840 is an apocalyptic number.

139852237840 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 139852237840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204596904960).

139852237840 is an abundant number, since it is smaller than the sum of its proper divisors (269341572080).

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

139852237840 is a wasteful number, since it uses less digits than its factorization.

139852237840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391 (or 362 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 139852237840 in words is "one hundred thirty-nine billion, eight hundred fifty-two million, two hundred thirty-seven thousand, eight hundred forty".