29197138 has 8 divisors (see below), whose sum is σ = 43884288. Its totient is φ = 14569044.

The previous prime is 29197127. The next prime is 29197141. The reversal of 29197138 is 83179192.

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

It is a self number, because there is not a number n which added to its sum of digits gives 29197138.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13506 + ... + 15517.

It is an arithmetic number, because the mean of its divisors is an integer number (5485536).

Almost surely, 2^29197138 is an apocalyptic number.

29197138 is a deficient number, since it is larger than the sum of its proper divisors (14687150).

29197138 is a wasteful number, since it uses less digits than its factorization.

29197138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29528.

The product of its digits is 27216, while the sum is 40.

The square root of 29197138 is about 5403.4376095223. The cubic root of 29197138 is about 307.9262838707.

The spelling of 29197138 in words is "twenty-nine million, one hundred ninety-seven thousand, one hundred thirty-eight".