129379141854 has 48 divisors (see below), whose sum is σ = 282873477744. Its totient is φ = 42733958400.

The previous prime is 129379141777. The next prime is 129379141901. The reversal of 129379141854 is 458141973921.

129379141854 is a `hidden beast` number, since 1 + 2 + 93 + 7 + 91 + 418 + 54 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 129379141854.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14662764 + ... + 14671584.

It is an arithmetic number, because the mean of its divisors is an integer number (5893197453).

Almost surely, 2^129379141854 is an apocalyptic number.

129379141854 is an abundant number, since it is smaller than the sum of its proper divisors (153494335890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129379141854 is a wasteful number, since it uses less digits than its factorization.

129379141854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16153 (or 16150 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The spelling of 129379141854 in words is "one hundred twenty-nine billion, three hundred seventy-nine million, one hundred forty-one thousand, eight hundred fifty-four".