30133136 has 40 divisors (see below), whose sum is σ = 64010784. Its totient is φ = 13628160.

The previous prime is 30133127. The next prime is 30133141. The reversal of 30133136 is 63133103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54815 + ... + 55361.

Almost surely, 2^30133136 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 30133136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32005392).

30133136 is an abundant number, since it is smaller than the sum of its proper divisors (33877648).

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

30133136 is a wasteful number, since it uses less digits than its factorization.

30133136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879 (or 873 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 20.

The square root of 30133136 is about 5489.3657192794. The cubic root of 30133136 is about 311.1822217647.

Adding to 30133136 its reverse (63133103), we get a palindrome (93266239).

The spelling of 30133136 in words is "thirty million, one hundred thirty-three thousand, one hundred thirty-six".