128943156 has 24 divisors (see below), whose sum is σ = 304494624. Its totient is φ = 42462880.

The previous prime is 128943121. The next prime is 128943161. The reversal of 128943156 is 651349821.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63735 + ... + 65726.

It is an arithmetic number, because the mean of its divisors is an integer number (12687276).

Almost surely, 2^128943156 is an apocalyptic number.

It is an amenable number.

128943156 is an abundant number, since it is smaller than the sum of its proper divisors (175551468).

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

128943156 is a wasteful number, since it uses less digits than its factorization.

128943156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129551 (or 129549 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 128943156 is about 11355.3139983005. The cubic root of 128943156 is about 505.2032067872.

The spelling of 128943156 in words is "one hundred twenty-eight million, nine hundred forty-three thousand, one hundred fifty-six".