29139696 has 40 divisors (see below), whose sum is σ = 83642960. Its totient is φ = 9713088.

The previous prime is 29139667. The next prime is 29139697. The reversal of 29139696 is 69693192.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29139697) 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, 33295 + ... + 34158.

It is an arithmetic number, because the mean of its divisors is an integer number (2091074).

Almost surely, 2^29139696 is an apocalyptic number.

It is an amenable number.

29139696 is an abundant number, since it is smaller than the sum of its proper divisors (54503264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29139696 is a wasteful number, since it uses less digits than its factorization.

29139696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67470 (or 67458 counting only the distinct ones).

The product of its digits is 157464, while the sum is 45.

The square root of 29139696 is about 5398.1196726268. The cubic root of 29139696 is about 307.7242148194.

The spelling of 29139696 in words is "twenty-nine million, one hundred thirty-nine thousand, six hundred ninety-six".