29140007 has 4 divisors (see below), whose sum is σ = 31381560. Its totient is φ = 26898456.

The previous prime is 29139973. The next prime is 29140049. The reversal of 29140007 is 70004192.

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

It is not a de Polignac number, because 29140007 - 2¹⁰ = 29138983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29140087) 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, 1120757 + ... + 1120782.

It is an arithmetic number, because the mean of its divisors is an integer number (7845390).

Almost surely, 2^29140007 is an apocalyptic number.

29140007 is a deficient number, since it is larger than the sum of its proper divisors (2241553).

29140007 is a wasteful number, since it uses less digits than its factorization.

29140007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2241552.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 29140007 is about 5398.1484788768. The cubic root of 29140007 is about 307.7253095676.

Adding to 29140007 its reverse (70004192), we get a palindrome (99144199).

The spelling of 29140007 in words is "twenty-nine million, one hundred forty thousand, seven".