30134505 has 32 divisors (see below), whose sum is σ = 49392000. Its totient is φ = 15685632.

The previous prime is 30134497. The next prime is 30134537. The reversal of 30134505 is 50543103.

It is not a de Polignac number, because 30134505 - 2³ = 30134497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 202171 + ... + 202319.

It is an arithmetic number, because the mean of its divisors is an integer number (1543500).

Almost surely, 2^30134505 is an apocalyptic number.

It is an amenable number.

30134505 is a deficient number, since it is larger than the sum of its proper divisors (19257495).

30134505 is a wasteful number, since it uses less digits than its factorization.

30134505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 30134505 is about 5489.4904135083. The cubic root of 30134505 is about 311.1869342071.

Adding to 30134505 its reverse (50543103), we get a palindrome (80677608).

The spelling of 30134505 in words is "thirty million, one hundred thirty-four thousand, five hundred five".