129533758465 has 16 divisors (see below), whose sum is σ = 163811289600. Its totient is φ = 98059133952.

The previous prime is 129533758439. The next prime is 129533758507. The reversal of 129533758465 is 564857335921.

It is a cyclic number.

It is not a de Polignac number, because 129533758465 - 2¹⁷ = 129533627393 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 708000 + ... + 871969.

It is an arithmetic number, because the mean of its divisors is an integer number (10238205600).

Almost surely, 2^129533758465 is an apocalyptic number.

It is an amenable number.

129533758465 is a deficient number, since it is larger than the sum of its proper divisors (34277531135).

129533758465 is a wasteful number, since it uses less digits than its factorization.

129533758465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580856.

The product of its digits is 27216000, while the sum is 58.

The spelling of 129533758465 in words is "one hundred twenty-nine billion, five hundred thirty-three million, seven hundred fifty-eight thousand, four hundred sixty-five".