29138605 has 16 divisors (see below), whose sum is σ = 36785664. Its totient is φ = 22127040.

The previous prime is 29138581. The next prime is 29138623. The reversal of 29138605 is 50683192.

It is not a de Polignac number, because 29138605 - 2¹⁵ = 29105837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6442 + ... + 9988.

It is an arithmetic number, because the mean of its divisors is an integer number (2299104).

Almost surely, 2^29138605 is an apocalyptic number.

It is an amenable number.

29138605 is a deficient number, since it is larger than the sum of its proper divisors (7647059).

29138605 is a wasteful number, since it uses less digits than its factorization.

29138605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3636.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 29138605 is about 5398.0186179746. The cubic root of 29138605 is about 307.7203743388.

The spelling of 29138605 in words is "twenty-nine million, one hundred thirty-eight thousand, six hundred five".