29130915 has 16 divisors (see below), whose sum is σ = 50846976. Its totient is φ = 14124000.

The previous prime is 29130901. The next prime is 29130947. The reversal of 29130915 is 51903192.

It is not a de Polignac number, because 29130915 - 2⁶ = 29130851 is a prime.

It is a super-2 number, since 2×29130915² = 1697220417474450, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88111 + ... + 88440.

It is an arithmetic number, because the mean of its divisors is an integer number (3177936).

Almost surely, 2^29130915 is an apocalyptic number.

29130915 is a deficient number, since it is larger than the sum of its proper divisors (21716061).

29130915 is a wasteful number, since it uses less digits than its factorization.

29130915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176570.

The product of its (nonzero) digits is 2430, while the sum is 30.

The square root of 29130915 is about 5397.3062725771. The cubic root of 29130915 is about 307.6933016875.

The spelling of 29130915 in words is "twenty-nine million, one hundred thirty thousand, nine hundred fifteen".