29139356 has 12 divisors (see below), whose sum is σ = 52237920. Its totient is φ = 14214240.

The previous prime is 29139353. The next prime is 29139373. The reversal of 29139356 is 65393192.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29139353) 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 3 ways as a sum of consecutive naturals, for example, 88676 + ... + 89003.

It is an arithmetic number, because the mean of its divisors is an integer number (4353160).

Almost surely, 2^29139356 is an apocalyptic number.

It is an amenable number.

29139356 is a deficient number, since it is larger than the sum of its proper divisors (23098564).

29139356 is a wasteful number, since it uses less digits than its factorization.

29139356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177724 (or 177722 counting only the distinct ones).

The product of its digits is 43740, while the sum is 38.

The square root of 29139356 is about 5398.0881800875. The cubic root of 29139356 is about 307.7230179796.

The spelling of 29139356 in words is "twenty-nine million, one hundred thirty-nine thousand, three hundred fifty-six".