29271142 has 4 divisors (see below), whose sum is σ = 43906716. Its totient is φ = 14635570.

The previous prime is 29271133. The next prime is 29271163. The reversal of 29271142 is 24117292.

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

It is a self number, because there is not a number n which added to its sum of digits gives 29271142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7317784 + ... + 7317787.

It is an arithmetic number, because the mean of its divisors is an integer number (10976679).

Almost surely, 2^29271142 is an apocalyptic number.

29271142 is a deficient number, since it is larger than the sum of its proper divisors (14635574).

29271142 is a wasteful number, since it uses less digits than its factorization.

29271142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14635573.

The product of its digits is 2016, while the sum is 28.

The square root of 29271142 is about 5410.2811387210. The cubic root of 29271142 is about 308.1862243130.

The spelling of 29271142 in words is "twenty-nine million, two hundred seventy-one thousand, one hundred forty-two".