29013138 has 96 divisors (see below), whose sum is σ = 79477632. Its totient is φ = 7492320.

The previous prime is 29013121. The next prime is 29013163. The reversal of 29013138 is 83131092.

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 47 ways as a sum of consecutive naturals, for example, 167620 + ... + 167792.

It is an arithmetic number, because the mean of its divisors is an integer number (827892).

Almost surely, 2^29013138 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29013138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39738816).

29013138 is an abundant number, since it is smaller than the sum of its proper divisors (50464494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29013138 is a wasteful number, since it uses less digits than its factorization.

29013138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 29013138 is about 5386.3845016857. The cubic root of 29013138 is about 307.2780710796.

The spelling of 29013138 in words is "twenty-nine million, thirteen thousand, one hundred thirty-eight".