29052138 has 16 divisors (see below), whose sum is σ = 58972320. Its totient is φ = 9539376.

The previous prime is 29052061. The next prime is 29052143. The reversal of 29052138 is 83125092.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35733 + ... + 36536.

It is an arithmetic number, because the mean of its divisors is an integer number (3685770).

Almost surely, 2^29052138 is an apocalyptic number.

29052138 is an abundant number, since it is smaller than the sum of its proper divisors (29920182).

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

29052138 is a wasteful number, since it uses less digits than its factorization.

29052138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72341.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 29052138 is about 5390.0035250452. The cubic root of 29052138 is about 307.4156924007.

The spelling of 29052138 in words is "twenty-nine million, fifty-two thousand, one hundred thirty-eight".