1489535136 has 96 divisors (see below), whose sum is σ = 4445622720. Its totient is φ = 484952832.

The previous prime is 1489535119. The next prime is 1489535137. The reversal of 1489535136 is 6315359841.

1489535136 is a `hidden beast` number, since 1 + 4 + 89 + 53 + 513 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 1489535091 and 1489535100.

It is not an unprimeable number, because it can be changed into a prime (1489535137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17106 + ... + 57198.

It is an arithmetic number, because the mean of its divisors is an integer number (46308570).

Almost surely, 2^1489535136 is an apocalyptic number.

1489535136 is a gapful number since it is divisible by the number (16) 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 1489535136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2222811360).

1489535136 is an abundant number, since it is smaller than the sum of its proper divisors (2956087584).

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

1489535136 is a wasteful number, since it uses less digits than its factorization.

1489535136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40155 (or 40141 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 1489535136 is about 38594.4961879281. The cubic root of 1489535136 is about 1142.0459657838.

The spelling of 1489535136 in words is "one billion, four hundred eighty-nine million, five hundred thirty-five thousand, one hundred thirty-six".