129542413066 has 16 divisors (see below), whose sum is σ = 212203797408. Its totient is φ = 58820330800.

The previous prime is 129542413043. The next prime is 129542413081. The reversal of 129542413066 is 660314245921.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3108040 + ... + 3149443.

It is an arithmetic number, because the mean of its divisors is an integer number (13262737338).

Almost surely, 2^129542413066 is an apocalyptic number.

129542413066 is a deficient number, since it is larger than the sum of its proper divisors (82661384342).

129542413066 is a wasteful number, since it uses less digits than its factorization.

129542413066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6258437.

The product of its (nonzero) digits is 311040, while the sum is 43.

Adding to 129542413066 its reverse (660314245921), we get a palindrome (789856658987).

The spelling of 129542413066 in words is "one hundred twenty-nine billion, five hundred forty-two million, four hundred thirteen thousand, sixty-six".