129142362 has 8 divisors (see below), whose sum is σ = 258284736. Its totient is φ = 43047452.

The previous prime is 129142357. The next prime is 129142367. The reversal of 129142362 is 263241921.

It is an interprime number because it is at equal distance from previous prime (129142357) and next prime (129142367).

It is a sphenic number, since it is the product of 3 distinct primes.

129142362 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (129142367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10761858 + ... + 10761869.

It is an arithmetic number, because the mean of its divisors is an integer number (32285592).

Almost surely, 2^129142362 is an apocalyptic number.

129142362 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

129142362 is a wasteful number, since it uses less digits than its factorization.

129142362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21523732.

The product of its digits is 5184, while the sum is 30.

The square root of 129142362 is about 11364.0821010762. The cubic root of 129142362 is about 505.4632379801.

The spelling of 129142362 in words is "one hundred twenty-nine million, one hundred forty-two thousand, three hundred sixty-two".