29379139 has 2 divisors, whose sum is σ = 29379140. Its totient is φ = 29379138.

The previous prime is 29379137. The next prime is 29379143. The reversal of 29379139 is 93197392.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29379139 - 2¹ = 29379137 is a prime.

Together with 29379137, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 29379095 and 29379104.

It is not a weakly prime, because it can be changed into another prime (29379137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14689569 + 14689570.

It is an arithmetic number, because the mean of its divisors is an integer number (14689570).

Almost surely, 2^29379139 is an apocalyptic number.

29379139 is a deficient number, since it is larger than the sum of its proper divisors (1).

29379139 is an equidigital number, since it uses as much as digits as its factorization.

29379139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 91854, while the sum is 43.

The square root of 29379139 is about 5420.2526693873. The cubic root of 29379139 is about 308.5647807557.

The spelling of 29379139 in words is "twenty-nine million, three hundred seventy-nine thousand, one hundred thirty-nine".