29164139 has 4 divisors (see below), whose sum is σ = 29194560. Its totient is φ = 29133720.

The previous prime is 29164127. The next prime is 29164171. The reversal of 29164139 is 93146192.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29164139 is a prime.

It is a super-2 number, since 2×29164139² = 1701094007222642, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29164099 and 29164108.

It is not an unprimeable number, because it can be changed into a prime (29164439) 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, 13724 + ... + 15705.

It is an arithmetic number, because the mean of its divisors is an integer number (7298640).

Almost surely, 2^29164139 is an apocalyptic number.

29164139 is a deficient number, since it is larger than the sum of its proper divisors (30421).

29164139 is an equidigital number, since it uses as much as digits as its factorization.

29164139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30420.

The product of its digits is 11664, while the sum is 35.

The square root of 29164139 is about 5400.3832271423. The cubic root of 29164139 is about 307.8102326561.

The spelling of 29164139 in words is "twenty-nine million, one hundred sixty-four thousand, one hundred thirty-nine".