29461139 has 4 divisors (see below), whose sum is σ = 30257424. Its totient is φ = 28664856.

The previous prime is 29461097. The next prime is 29461171. The reversal of 29461139 is 93116492.

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-29461139 is a prime.

It is a super-2 number, since 2×29461139² = 1735917422354642, 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 = 29461099 and 29461108.

It is not an unprimeable number, because it can be changed into a prime (29463139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398087 + ... + 398160.

It is an arithmetic number, because the mean of its divisors is an integer number (7564356).

Almost surely, 2^29461139 is an apocalyptic number.

29461139 is a deficient number, since it is larger than the sum of its proper divisors (796285).

29461139 is an equidigital number, since it uses as much as digits as its factorization.

29461139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796284.

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

The square root of 29461139 is about 5427.8116216391. The cubic root of 29461139 is about 308.8515920660.

The spelling of 29461139 in words is "twenty-nine million, four hundred sixty-one thousand, one hundred thirty-nine".