30136042 has 8 divisors (see below), whose sum is σ = 45228132. Its totient is φ = 15060000.

The previous prime is 30136039. The next prime is 30136063. The reversal of 30136042 is 24063103.

It can be written as a sum of positive squares in 2 ways, for example, as 28206721 + 1929321 = 5311^2 + 1389^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3492 + ... + 8512.

Almost surely, 2^30136042 is an apocalyptic number.

30136042 is a deficient number, since it is larger than the sum of its proper divisors (15092090).

30136042 is a wasteful number, since it uses less digits than its factorization.

30136042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8024.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 30136042 is about 5489.6304065028. The cubic root of 30136042 is about 311.1922247778.

Adding to 30136042 its reverse (24063103), we get a palindrome (54199145).

The spelling of 30136042 in words is "thirty million, one hundred thirty-six thousand, forty-two".