129134062 has 4 divisors (see below), whose sum is σ = 193701096. Its totient is φ = 64567030.

The previous prime is 129134059. The next prime is 129134069. The reversal of 129134062 is 260431921.

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 129134062.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129134069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32283514 + ... + 32283517.

It is an arithmetic number, because the mean of its divisors is an integer number (48425274).

Almost surely, 2^129134062 is an apocalyptic number.

129134062 is a deficient number, since it is larger than the sum of its proper divisors (64567034).

129134062 is an equidigital number, since it uses as much as digits as its factorization.

129134062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64567033.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 129134062 is about 11363.7169095327. The cubic root of 129134062 is about 505.4524090140.

Adding to 129134062 its reverse (260431921), we get a palindrome (389565983).

It can be divided in two parts, 1291 and 34062, that added together give a palindrome (35353).

The spelling of 129134062 in words is "one hundred twenty-nine million, one hundred thirty-four thousand, sixty-two".