128094346 has 4 divisors (see below), whose sum is σ = 192141522. Its totient is φ = 64047172.

The previous prime is 128094287. The next prime is 128094347. The reversal of 128094346 is 643490821.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 77528025 + 50566321 = 8805^2 + 7111^2 .

It is a super-2 number, since 2×128094346² = 32816322954335432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (128094347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32023585 + ... + 32023588.

Almost surely, 2^128094346 is an apocalyptic number.

128094346 is a deficient number, since it is larger than the sum of its proper divisors (64047176).

128094346 is an equidigital number, since it uses as much as digits as its factorization.

128094346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64047175.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 128094346 is about 11317.8772744716. The cubic root of 128094346 is about 504.0922109144.

The spelling of 128094346 in words is "one hundred twenty-eight million, ninety-four thousand, three hundred forty-six".