30135134 has 4 divisors (see below), whose sum is σ = 45202704. Its totient is φ = 15067566.

The previous prime is 30135113. The next prime is 30135139. The reversal of 30135134 is 43153103.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30135139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7533782 + ... + 7533785.

It is an arithmetic number, because the mean of its divisors is an integer number (11300676).

Almost surely, 2^30135134 is an apocalyptic number.

30135134 is a deficient number, since it is larger than the sum of its proper divisors (15067570).

30135134 is a wasteful number, since it uses less digits than its factorization.

30135134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15067569.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 30135134 is about 5489.5477045017. The cubic root of 30135134 is about 311.1890993356.

Adding to 30135134 its reverse (43153103), we get a palindrome (73288237).

The spelling of 30135134 in words is "thirty million, one hundred thirty-five thousand, one hundred thirty-four".