29130913 has 4 divisors (see below), whose sum is σ = 33292480. Its totient is φ = 24969348.

The previous prime is 29130901. The next prime is 29130947. The reversal of 29130913 is 31903192.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29130913 is a prime.

It is a super-2 number, since 2×29130913² = 1697220184427138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29130953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2080773 + ... + 2080786.

It is an arithmetic number, because the mean of its divisors is an integer number (8323120).

Almost surely, 2^29130913 is an apocalyptic number.

It is an amenable number.

29130913 is a deficient number, since it is larger than the sum of its proper divisors (4161567).

29130913 is an equidigital number, since it uses as much as digits as its factorization.

29130913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4161566.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 29130913 is about 5397.3060872995. The cubic root of 29130913 is about 307.6932946459.

The spelling of 29130913 in words is "twenty-nine million, one hundred thirty thousand, nine hundred thirteen".