30236136 has 64 divisors (see below), whose sum is σ = 88176000. Its totient is φ = 8636544.

The previous prime is 30236111. The next prime is 30236189. The reversal of 30236136 is 63163203.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6396 + ... + 10068.

It is an arithmetic number, because the mean of its divisors is an integer number (1377750).

Almost surely, 2^30236136 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 30236136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44088000).

30236136 is an abundant number, since it is smaller than the sum of its proper divisors (57939864).

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

30236136 is a wasteful number, since it uses less digits than its factorization.

30236136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3703 (or 3685 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

The square root of 30236136 is about 5498.7394919199. The cubic root of 30236136 is about 311.5363758387.

Adding to 30236136 its reverse (63163203), we get a palindrome (93399339).

The spelling of 30236136 in words is "thirty million, two hundred thirty-six thousand, one hundred thirty-six".