29000139 has 8 divisors (see below), whose sum is σ = 44190720. Its totient is φ = 16571496.

The previous prime is 29000131. The next prime is 29000149. The reversal of 29000139 is 93100092.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 29000139 - 2³ = 29000131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29000131) 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 in 7 ways as a sum of consecutive naturals, for example, 690459 + ... + 690500.

It is an arithmetic number, because the mean of its divisors is an integer number (5523840).

Almost surely, 2^29000139 is an apocalyptic number.

29000139 is a deficient number, since it is larger than the sum of its proper divisors (15190581).

29000139 is a wasteful number, since it uses less digits than its factorization.

29000139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380969.

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 29000139 is about 5385.1777129450. The cubic root of 29000139 is about 307.2321734322.

The spelling of 29000139 in words is "twenty-nine million, one hundred thirty-nine", and thus it is an aban number.