129016513045 has 32 divisors (see below), whose sum is σ = 182375543808. Its totient is φ = 85766439168.

The previous prime is 129016513039. The next prime is 129016513051. The reversal of 129016513045 is 540315610921.

It is an interprime number because it is at equal distance from previous prime (129016513039) and next prime (129016513051).

It is a cyclic number.

It is not a de Polignac number, because 129016513045 - 2⁵ = 129016513013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 129016512995 and 129016513013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 178884 + ... + 538546.

It is an arithmetic number, because the mean of its divisors is an integer number (5699235744).

Almost surely, 2^129016513045 is an apocalyptic number.

It is an amenable number.

129016513045 is a deficient number, since it is larger than the sum of its proper divisors (53359030763).

129016513045 is a wasteful number, since it uses less digits than its factorization.

129016513045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359989.

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 129016513045 in words is "one hundred twenty-nine billion, sixteen million, five hundred thirteen thousand, forty-five".