29502139 has 2 divisors, whose sum is σ = 29502140. Its totient is φ = 29502138.

The previous prime is 29502127. The next prime is 29502167. The reversal of 29502139 is 93120592.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29502139 - 2¹¹ = 29500091 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29502139.

It is not a weakly prime, because it can be changed into another prime (29502119) 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, 14751069 + 14751070.

It is an arithmetic number, because the mean of its divisors is an integer number (14751070).

Almost surely, 2^29502139 is an apocalyptic number.

29502139 is a deficient number, since it is larger than the sum of its proper divisors (1).

29502139 is an equidigital number, since it uses as much as digits as its factorization.

29502139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 29502139 is about 5431.5871529416. The cubic root of 29502139 is about 308.9947981795.

The spelling of 29502139 in words is "twenty-nine million, five hundred two thousand, one hundred thirty-nine".