29140147 has 2 divisors, whose sum is σ = 29140148. Its totient is φ = 29140146.

The previous prime is 29140087. The next prime is 29140151. The reversal of 29140147 is 74104192.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29140147 is a prime.

It is not a weakly prime, because it can be changed into another prime (29140847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14570073 + 14570074.

It is an arithmetic number, because the mean of its divisors is an integer number (14570074).

Almost surely, 2^29140147 is an apocalyptic number.

29140147 is a deficient number, since it is larger than the sum of its proper divisors (1).

29140147 is an equidigital number, since it uses as much as digits as its factorization.

29140147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 29140147 is about 5398.1614462704. The cubic root of 29140147 is about 307.7258023778.

The spelling of 29140147 in words is "twenty-nine million, one hundred forty thousand, one hundred forty-seven".