140387838048 has 144 divisors (see below), whose sum is σ = 406550197872. Its totient is φ = 45940608000.

The previous prime is 140387838029. The next prime is 140387838121. The reversal of 140387838048 is 840838783041.

It is a happy number.

140387838048 is a `hidden beast` number, since 1 + 403 + 87 + 83 + 80 + 4 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-3 number, since 3×140387838048³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140387837985 and 140387838003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9496903 + ... + 9511673.

It is an arithmetic number, because the mean of its divisors is an integer number (2823265263).

Almost surely, 2^140387838048 is an apocalyptic number.

140387838048 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 140387838048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203275098936).

140387838048 is an abundant number, since it is smaller than the sum of its proper divisors (266162359824).

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

140387838048 is a wasteful number, since it uses less digits than its factorization.

140387838048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15389 (or 15378 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 54.

The spelling of 140387838048 in words is "one hundred forty billion, three hundred eighty-seven million, eight hundred thirty-eight thousand, forty-eight".