29634139 has 2 divisors, whose sum is σ = 29634140. Its totient is φ = 29634138.

The previous prime is 29634133. The next prime is 29634161. The reversal of 29634139 is 93143692.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29634139 - 2⁹ = 29633627 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 29634098 and 29634107.

It is not a weakly prime, because it can be changed into another prime (29634133) by changing a digit.

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 as a sum of consecutive naturals, namely, 14817069 + 14817070.

It is an arithmetic number, because the mean of its divisors is an integer number (14817070).

Almost surely, 2^29634139 is an apocalyptic number.

29634139 is a deficient number, since it is larger than the sum of its proper divisors (1).

29634139 is an equidigital number, since it uses as much as digits as its factorization.

29634139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 37.

The square root of 29634139 is about 5443.7247358771. The cubic root of 29634139 is about 309.4549527603.

The spelling of 29634139 in words is "twenty-nine million, six hundred thirty-four thousand, one hundred thirty-nine".