128194264 has 32 divisors (see below), whose sum is σ = 262653840. Its totient is φ = 58172800.

The previous prime is 128194259. The next prime is 128194271. The reversal of 128194264 is 462491821.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92682 + ... + 94054.

Almost surely, 2^128194264 is an apocalyptic number.

It is an amenable number.

128194264 is an abundant number, since it is smaller than the sum of its proper divisors (134459576).

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

128194264 is a wasteful number, since it uses less digits than its factorization.

128194264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2451 (or 2447 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

The square root of 128194264 is about 11322.2905809734. The cubic root of 128194264 is about 504.2232466094.

The spelling of 128194264 in words is "one hundred twenty-eight million, one hundred ninety-four thousand, two hundred sixty-four".