128925414 has 12 divisors (see below), whose sum is σ = 279338436. Its totient is φ = 42975132.

The previous prime is 128925413. The next prime is 128925437. The reversal of 128925414 is 414529821.

128925414 is a `hidden beast` number, since 1 + 28 + 92 + 541 + 4 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128925413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3581244 + ... + 3581279.

It is an arithmetic number, because the mean of its divisors is an integer number (23278203).

Almost surely, 2^128925414 is an apocalyptic number.

128925414 is an abundant number, since it is smaller than the sum of its proper divisors (150413022).

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

128925414 is a wasteful number, since it uses less digits than its factorization.

128925414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7162531 (or 7162528 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 128925414 is about 11354.5327512848. The cubic root of 128925414 is about 505.1800344925.

The spelling of 128925414 in words is "one hundred twenty-eight million, nine hundred twenty-five thousand, four hundred fourteen".