29138271 has 8 divisors (see below), whose sum is σ = 39509760. Its totient is φ = 19096152.

The previous prime is 29138237. The next prime is 29138273. The reversal of 29138271 is 17283192.

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

It is not a de Polignac number, because 29138271 - 2¹⁰ = 29137247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29138273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82135 + ... + 82488.

It is an arithmetic number, because the mean of its divisors is an integer number (4938720).

Almost surely, 2^29138271 is an apocalyptic number.

29138271 is a deficient number, since it is larger than the sum of its proper divisors (10371489).

29138271 is a wasteful number, since it uses less digits than its factorization.

29138271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164685.

The product of its digits is 6048, while the sum is 33.

The square root of 29138271 is about 5397.9876806084. The cubic root of 29138271 is about 307.7191985905.

The spelling of 29138271 in words is "twenty-nine million, one hundred thirty-eight thousand, two hundred seventy-one".