129585746654 has 48 divisors (see below), whose sum is σ = 251008492032. Its totient is φ = 49035770784.

The previous prime is 129585746639. The next prime is 129585746659. The reversal of 129585746654 is 456647585921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129585746659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1136234 + ... + 1245069.

It is an arithmetic number, because the mean of its divisors is an integer number (5229343584).

Almost surely, 2^129585746654 is an apocalyptic number.

129585746654 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

129585746654 is a deficient number, since it is larger than the sum of its proper divisors (121422745378).

129585746654 is a wasteful number, since it uses less digits than its factorization.

129585746654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2381361 (or 2381348 counting only the distinct ones).

The product of its digits is 72576000, while the sum is 62.

The spelling of 129585746654 in words is "one hundred twenty-nine billion, five hundred eighty-five million, seven hundred forty-six thousand, six hundred fifty-four".