283509922136 has 128 divisors (see below), whose sum is σ = 628127377920. Its totient is φ = 117430124544.

The previous prime is 283509922081. The next prime is 283509922147. The reversal of 283509922136 is 631229905382.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 312579395 + ... + 312580301.

It is an arithmetic number, because the mean of its divisors is an integer number (4907245140).

Almost surely, 2^283509922136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 283509922136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314063688960).

283509922136 is an abundant number, since it is smaller than the sum of its proper divisors (344617455784).

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

283509922136 is a wasteful number, since it uses less digits than its factorization.

283509922136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1801 (or 1797 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 50.

The spelling of 283509922136 in words is "two hundred eighty-three billion, five hundred nine million, nine hundred twenty-two thousand, one hundred thirty-six".