128374354 has 4 divisors (see below), whose sum is σ = 192561534. Its totient is φ = 64187176.

The previous prime is 128374283. The next prime is 128374391. The reversal of 128374354 is 453473821.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 453473821 = 643 ⋅705247.

It can be written as a sum of positive squares in only one way, i.e., 128210329 + 164025 = 11323^2 + 405^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32093587 + ... + 32093590.

Almost surely, 2^128374354 is an apocalyptic number.

128374354 is a deficient number, since it is larger than the sum of its proper divisors (64187180).

128374354 is an equidigital number, since it uses as much as digits as its factorization.

128374354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64187179.

The product of its digits is 80640, while the sum is 37.

The square root of 128374354 is about 11330.2406858813. The cubic root of 128374354 is about 504.4592506056.

The spelling of 128374354 in words is "one hundred twenty-eight million, three hundred seventy-four thousand, three hundred fifty-four".