29140005 has 16 divisors (see below), whose sum is σ = 47389824. Its totient is φ = 15286080.

The previous prime is 29139973. The next prime is 29140049. The reversal of 29140005 is 50004192.

It is not a de Polignac number, because 29140005 - 2⁵ = 29139973 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15009 + ... + 16838.

It is an arithmetic number, because the mean of its divisors is an integer number (2961864).

Almost surely, 2^29140005 is an apocalyptic number.

It is an amenable number.

29140005 is a deficient number, since it is larger than the sum of its proper divisors (18249819).

29140005 is a wasteful number, since it uses less digits than its factorization.

29140005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31916.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 29140005 is about 5398.1482936281. The cubic root of 29140005 is about 307.7253025274.

Adding to 29140005 its reverse (50004192), we get a palindrome (79144197).

The spelling of 29140005 in words is "twenty-nine million, one hundred forty thousand, five".