129083735142 has 12 divisors (see below), whose sum is σ = 279681426180. Its totient is φ = 43027911708.

The previous prime is 129083735059. The next prime is 129083735269. The reversal of 129083735142 is 241537380921.

It is a happy number.

129083735142 is a `hidden beast` number, since 1 + 290 + 8 + 3 + 7 + 351 + 4 + 2 = 666.

It is a super-2 number, since 2×129083735142² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3585659292 + ... + 3585659327.

It is an arithmetic number, because the mean of its divisors is an integer number (23306785515).

Almost surely, 2^129083735142 is an apocalyptic number.

129083735142 is an abundant number, since it is smaller than the sum of its proper divisors (150597691038).

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

129083735142 is a wasteful number, since it uses less digits than its factorization.

129083735142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7171318627 (or 7171318624 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 129083735142 in words is "one hundred twenty-nine billion, eighty-three million, seven hundred thirty-five thousand, one hundred forty-two".