30136412 has 6 divisors (see below), whose sum is σ = 52738728. Its totient is φ = 15068204.

The previous prime is 30136411. The next prime is 30136439. The reversal of 30136412 is 21463103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30136411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3767048 + ... + 3767055.

It is an arithmetic number, because the mean of its divisors is an integer number (8789788).

Almost surely, 2^30136412 is an apocalyptic number.

It is an amenable number.

30136412 is a deficient number, since it is larger than the sum of its proper divisors (22602316).

30136412 is a wasteful number, since it uses less digits than its factorization.

30136412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7534107 (or 7534105 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 30136412 is about 5489.6641063001. The cubic root of 30136412 is about 311.1934983431.

Adding to 30136412 its reverse (21463103), we get a palindrome (51599515).

The spelling of 30136412 in words is "thirty million, one hundred thirty-six thousand, four hundred twelve".