489135266136 has 192 divisors, whose sum is σ = 1497716085600. Its totient is φ = 147800125440.

The previous prime is 489135266107. The next prime is 489135266141. The reversal of 489135266136 is 631662531984.

489135266136 is a `hidden beast` number, since 4 + 8 + 9 + 13 + 5 + 2 + 6 + 613 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9199500 + ... + 9252516.

Almost surely, 2^489135266136 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 489135266136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (748858042800).

489135266136 is an abundant number, since it is smaller than the sum of its proper divisors (1008580819464).

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

489135266136 is a wasteful number, since it uses less digits than its factorization.

489135266136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53407 (or 53386 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 54.

The spelling of 489135266136 in words is "four hundred eighty-nine billion, one hundred thirty-five million, two hundred sixty-six thousand, one hundred thirty-six".