30152134 has 4 divisors (see below), whose sum is σ = 45228204. Its totient is φ = 15076066.

The previous prime is 30152131. The next prime is 30152147. The reversal of 30152134 is 43125103.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30152131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7538032 + ... + 7538035.

It is an arithmetic number, because the mean of its divisors is an integer number (11307051).

Almost surely, 2^30152134 is an apocalyptic number.

30152134 is a deficient number, since it is larger than the sum of its proper divisors (15076070).

30152134 is a wasteful number, since it uses less digits than its factorization.

30152134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15076069.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 30152134 is about 5491.0958833370. The cubic root of 30152134 is about 311.2476049127.

Adding to 30152134 its reverse (43125103), we get a palindrome (73277237).

The spelling of 30152134 in words is "thirty million, one hundred fifty-two thousand, one hundred thirty-four".