29409142 has 16 divisors (see below), whose sum is σ = 52042752. Its totient is φ = 12197160.

The previous prime is 29409109. The next prime is 29409143. The reversal of 29409142 is 24190492.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29409143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33448 + ... + 34315.

It is an arithmetic number, because the mean of its divisors is an integer number (3252672).

Almost surely, 2^29409142 is an apocalyptic number.

29409142 is a deficient number, since it is larger than the sum of its proper divisors (22633610).

29409142 is a wasteful number, since it uses less digits than its factorization.

29409142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67803.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 29409142 is about 5423.0196385409. The cubic root of 29409142 is about 308.6697840532.

The spelling of 29409142 in words is "twenty-nine million, four hundred nine thousand, one hundred forty-two".