30636136 has 16 divisors (see below), whose sum is σ = 57506400. Its totient is φ = 15301104.

The previous prime is 30636131. The next prime is 30636139. The reversal of 30636136 is 63163603.

It is not an unprimeable number, because it can be changed into a prime (30636131) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8955 + ... + 11893.

It is an arithmetic number, because the mean of its divisors is an integer number (3594150).

Almost surely, 2^30636136 is an apocalyptic number.

It is an amenable number.

30636136 is a deficient number, since it is larger than the sum of its proper divisors (26870264).

30636136 is a wasteful number, since it uses less digits than its factorization.

30636136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4248 (or 4244 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 30636136 is about 5534.9919602471. The cubic root of 30636136 is about 312.9041546302.

Adding to 30636136 its reverse (63163603), we get a palindrome (93799739).

The spelling of 30636136 in words is "thirty million, six hundred thirty-six thousand, one hundred thirty-six".