29140929 has 12 divisors (see below), whose sum is σ = 42147300. Its totient is φ = 19401984.

The previous prime is 29140919. The next prime is 29140939. The reversal of 29140929 is 92904192.

It is an interprime number because it is at equal distance from previous prime (29140919) and next prime (29140939).

It can be written as a sum of positive squares in 2 ways, for example, as 12616704 + 16524225 = 3552^2 + 4065^2 .

It is not a de Polignac number, because 29140929 - 2⁵ = 29140897 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29140893 and 29140902.

It is not an unprimeable number, because it can be changed into a prime (29140919) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7477 + ... + 10685.

It is an arithmetic number, because the mean of its divisors is an integer number (3512275).

Almost surely, 2^29140929 is an apocalyptic number.

It is an amenable number.

29140929 is a deficient number, since it is larger than the sum of its proper divisors (13006371).

29140929 is a wasteful number, since it uses less digits than its factorization.

29140929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4224 (or 4221 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 29140929 is about 5398.2338778530. The cubic root of 29140929 is about 307.7285550455.

The spelling of 29140929 in words is "twenty-nine million, one hundred forty thousand, nine hundred twenty-nine".