129952516240954 has 16 divisors (see below), whose sum is σ = 219509235645696. Its totient is φ = 57163863448800.

The previous prime is 129952516240951. The next prime is 129952516240957. The reversal of 129952516240954 is 459042615259921.

It is an interprime number because it is at equal distance from previous prime (129952516240951) and next prime (129952516240957).

It is not an unprimeable number, because it can be changed into a prime (129952516240951) 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, 95273105067 + ... + 95273106430.

It is an arithmetic number, because the mean of its divisors is an integer number (13719327227856).

Almost surely, 2^{129952516240954} is an apocalyptic number.

129952516240954 is a deficient number, since it is larger than the sum of its proper divisors (89556719404742).

129952516240954 is a wasteful number, since it uses less digits than its factorization.

129952516240954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190546211541.

The product of its (nonzero) digits is 69984000, while the sum is 64.

The spelling of 129952516240954 in words is "one hundred twenty-nine trillion, nine hundred fifty-two billion, five hundred sixteen million, two hundred forty thousand, nine hundred fifty-four".