129145954751 has 8 divisors (see below), whose sum is σ = 141071638608. Its totient is φ = 117251128000.

The previous prime is 129145954723. The next prime is 129145954783. The reversal of 129145954751 is 157459541921.

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

It is a cyclic number.

It is not a de Polignac number, because 129145954751 - 2¹⁴ = 129145938367 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 129145954693 and 129145954702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129145954451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7705520 + ... + 7722261.

It is an arithmetic number, because the mean of its divisors is an integer number (17633954826).

Almost surely, 2^129145954751 is an apocalyptic number.

129145954751 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

129145954751 is a deficient number, since it is larger than the sum of its proper divisors (11925683857).

129145954751 is a wasteful number, since it uses less digits than its factorization.

129145954751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15428553.

The product of its digits is 2268000, while the sum is 53.

The spelling of 129145954751 in words is "one hundred twenty-nine billion, one hundred forty-five million, nine hundred fifty-four thousand, seven hundred fifty-one".