29235139 has 16 divisors (see below), whose sum is σ = 31832064. Its totient is φ = 26769600.

The previous prime is 29235133. The next prime is 29235163. The reversal of 29235139 is 93153292.

It is a cyclic number.

It is not a de Polignac number, because 29235139 - 2³ = 29235131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29235131) 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, 93247 + ... + 93559.

It is an arithmetic number, because the mean of its divisors is an integer number (1989504).

Almost surely, 2^29235139 is an apocalyptic number.

29235139 is a deficient number, since it is larger than the sum of its proper divisors (2596925).

29235139 is a wasteful number, since it uses less digits than its factorization.

29235139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498.

The product of its digits is 14580, while the sum is 34.

The square root of 29235139 is about 5406.9528387068. The cubic root of 29235139 is about 308.0598178921.

The spelling of 29235139 in words is "twenty-nine million, two hundred thirty-five thousand, one hundred thirty-nine".