1009250136 has 96 divisors (see below), whose sum is σ = 2836254720. Its totient is φ = 323870400.

The previous prime is 1009250111. The next prime is 1009250153. The reversal of 1009250136 is 6310529001.

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, 469881 + ... + 472023.

It is an arithmetic number, because the mean of its divisors is an integer number (29544320).

Almost surely, 2^1009250136 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 1009250136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1418127360).

1009250136 is an abundant number, since it is smaller than the sum of its proper divisors (1827004584).

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

1009250136 is a wasteful number, since it uses less digits than its factorization.

1009250136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2397 (or 2390 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 1009250136 is about 31768.6974237220. The cubic root of 1009250136 is about 1003.0739200007.

Adding to 1009250136 its reverse (6310529001), we get a palindrome (7319779137).

The spelling of 1009250136 in words is "one billion, nine million, two hundred fifty thousand, one hundred thirty-six".