29733139 has 4 divisors (see below), whose sum is σ = 29759256. Its totient is φ = 29707024.

The previous prime is 29733133. The next prime is 29733191. The reversal of 29733139 is 93133792.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 29733139 - 2⁵ = 29733107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29733098 and 29733107.

It is not an unprimeable number, because it can be changed into a prime (29733133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11269 + ... + 13654.

It is an arithmetic number, because the mean of its divisors is an integer number (7439814).

Almost surely, 2^29733139 is an apocalyptic number.

29733139 is a deficient number, since it is larger than the sum of its proper divisors (26117).

29733139 is a wasteful number, since it uses less digits than its factorization.

29733139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26116.

The product of its digits is 30618, while the sum is 37.

The square root of 29733139 is about 5452.8101929189. The cubic root of 29733139 is about 309.7991727358.

The spelling of 29733139 in words is "twenty-nine million, seven hundred thirty-three thousand, one hundred thirty-nine".