129467142 has 48 divisors (see below), whose sum is σ = 321265152. Its totient is φ = 36912240.

The previous prime is 129467141. The next prime is 129467147. The reversal of 129467142 is 241764921.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 129467097 and 129467106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129467141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86323 + ... + 87809.

It is an arithmetic number, because the mean of its divisors is an integer number (6693024).

Almost surely, 2^129467142 is an apocalyptic number.

129467142 is an abundant number, since it is smaller than the sum of its proper divisors (191798010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129467142 is a wasteful number, since it uses less digits than its factorization.

129467142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2193 (or 2190 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 129467142 is about 11378.3628875159. The cubic root of 129467142 is about 505.8866129309.

The spelling of 129467142 in words is "one hundred twenty-nine million, four hundred sixty-seven thousand, one hundred forty-two".