29138835 has 16 divisors (see below), whose sum is σ = 50860800. Its totient is φ = 14127840.

The previous prime is 29138807. The next prime is 29138839. The reversal of 29138835 is 53883192.

It is not a de Polignac number, because 29138835 - 2⁸ = 29138579 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29138793 and 29138802.

It is not an unprimeable number, because it can be changed into a prime (29138839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88135 + ... + 88464.

It is an arithmetic number, because the mean of its divisors is an integer number (3178800).

Almost surely, 2^29138835 is an apocalyptic number.

29138835 is a deficient number, since it is larger than the sum of its proper divisors (21721965).

29138835 is a wasteful number, since it uses less digits than its factorization.

29138835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176618.

The product of its digits is 51840, while the sum is 39.

The square root of 29138835 is about 5398.0399220458. The cubic root of 29138835 is about 307.7211839806.

The spelling of 29138835 in words is "twenty-nine million, one hundred thirty-eight thousand, eight hundred thirty-five".