129331511342 has 8 divisors (see below), whose sum is σ = 211633382232. Its totient is φ = 58787050600.

The previous prime is 129331511341. The next prime is 129331511359. The reversal of 129331511342 is 243115133921.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129331511341) 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, 2939352509 + ... + 2939352552.

It is an arithmetic number, because the mean of its divisors is an integer number (26454172779).

Almost surely, 2^129331511342 is an apocalyptic number.

129331511342 is a deficient number, since it is larger than the sum of its proper divisors (82301870890).

129331511342 is a wasteful number, since it uses less digits than its factorization.

129331511342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5878705074.

The product of its digits is 19440, while the sum is 35.

The spelling of 129331511342 in words is "one hundred twenty-nine billion, three hundred thirty-one million, five hundred eleven thousand, three hundred forty-two".