128134654 has 8 divisors (see below), whose sum is σ = 192261600. Its totient is φ = 64047456.

The previous prime is 128134621. The next prime is 128134667. The reversal of 128134654 is 456431821.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187 + ... + 16009.

It is an arithmetic number, because the mean of its divisors is an integer number (24032700).

Almost surely, 2^128134654 is an apocalyptic number.

128134654 is a deficient number, since it is larger than the sum of its proper divisors (64126946).

128134654 is a wasteful number, since it uses less digits than its factorization.

128134654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19874.

The product of its digits is 23040, while the sum is 34.

The square root of 128134654 is about 11319.6578570202. The cubic root of 128134654 is about 504.1450803255.

The spelling of 128134654 in words is "one hundred twenty-eight million, one hundred thirty-four thousand, six hundred fifty-four".