128532348 has 36 divisors (see below), whose sum is σ = 371316400. Its totient is φ = 36723456.

The previous prime is 128532311. The next prime is 128532407. The reversal of 128532348 is 843235821.

128532348 is a `hidden beast` number, since 1 + 285 + 32 + 348 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 254773 + ... + 255276.

Almost surely, 2^128532348 is an apocalyptic number.

128532348 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

128532348 is an abundant number, since it is smaller than the sum of its proper divisors (242784052).

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

128532348 is a wasteful number, since it uses less digits than its factorization.

128532348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510066 (or 510061 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 128532348 is about 11337.2107680858. The cubic root of 128532348 is about 504.6661165871. Note that the first 3 decimals are identical.

It can be divided in two parts, 1285 and 32348, that added together give a palindrome (33633).

The spelling of 128532348 in words is "one hundred twenty-eight million, five hundred thirty-two thousand, three hundred forty-eight".