139835000284 has 144 divisors (see below), whose sum is σ = 316154627712. Its totient is φ = 53709723648.

The previous prime is 139835000273. The next prime is 139835000287. The reversal of 139835000284 is 482000538931.

It is a self number, because there is not a number n which added to its sum of digits gives 139835000284.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139835000287) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 5782282 + ... + 5806414.

It is an arithmetic number, because the mean of its divisors is an integer number (2195518248).

Almost surely, 2^139835000284 is an apocalyptic number.

139835000284 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

139835000284 is the 236504-th heptagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139835000284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158077313856).

139835000284 is an abundant number, since it is smaller than the sum of its proper divisors (176319627428).

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

139835000284 is a wasteful number, since it uses less digits than its factorization.

139835000284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24252 (or 24243 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 139835000284 in words is "one hundred thirty-nine billion, eight hundred thirty-five million, two hundred eighty-four", and thus it is an aban number.