29135813 has 8 divisors (see below), whose sum is σ = 33361728. Its totient is φ = 24925824.

The previous prime is 29135791. The next prime is 29135831. The reversal of 29135813 is 31853192.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 29135813 - 2²⁰ = 28087237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29135813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29135863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245 + ... + 7637.

It is an arithmetic number, because the mean of its divisors is an integer number (4170216).

Almost surely, 2^29135813 is an apocalyptic number.

It is an amenable number.

29135813 is a deficient number, since it is larger than the sum of its proper divisors (4225915).

29135813 is an equidigital number, since it uses as much as digits as its factorization.

29135813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7963.

The product of its digits is 6480, while the sum is 32.

The square root of 29135813 is about 5397.7599983697. The cubic root of 29135813 is about 307.7105456513.

The spelling of 29135813 in words is "twenty-nine million, one hundred thirty-five thousand, eight hundred thirteen".