129067345458 has 80 divisors (see below), whose sum is σ = 312655907520. Its totient is φ = 39656503584.

The previous prime is 129067345453. The next prime is 129067345487. The reversal of 129067345458 is 854543760921.

It is a happy number.

129067345458 is a `hidden beast` number, since 1 + 2 + 9 + 0 + 67 + 34 + 545 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (129067345453) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 452766 + ... + 680537.

It is an arithmetic number, because the mean of its divisors is an integer number (3908198844).

It is a 1-persistent number, because it is pandigital, but 2⋅129067345458 = 258134690916 is not.

Almost surely, 2^129067345458 is an apocalyptic number.

129067345458 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

129067345458 is an abundant number, since it is smaller than the sum of its proper divisors (183588562062).

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

129067345458 is a wasteful number, since it uses less digits than its factorization.

129067345458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133373 (or 1133364 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The spelling of 129067345458 in words is "one hundred twenty-nine billion, sixty-seven million, three hundred forty-five thousand, four hundred fifty-eight".