128532354 has 16 divisors (see below), whose sum is σ = 257234592. Its totient is φ = 42815808.

The previous prime is 128532311. The next prime is 128532407. The reversal of 128532354 is 453235821.

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, 4122 + ... + 16554.

It is an arithmetic number, because the mean of its divisors is an integer number (16077162).

Almost surely, 2^128532354 is an apocalyptic number.

128532354 is an abundant number, since it is smaller than the sum of its proper divisors (128702238).

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

128532354 is a wasteful number, since it uses less digits than its factorization.

128532354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14161.

The product of its digits is 28800, while the sum is 33.

The square root of 128532354 is about 11337.2110327011. The cubic root of 128532354 is about 504.6661244398. Note that the first 3 decimals are identical.

The spelling of 128532354 in words is "one hundred twenty-eight million, five hundred thirty-two thousand, three hundred fifty-four".