128287414 has 8 divisors (see below), whose sum is σ = 192746880. Its totient is φ = 64038456.

The previous prime is 128287391. The next prime is 128287421. The reversal of 128287414 is 414782821.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×128287414³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51094 + ... + 53545.

It is an arithmetic number, because the mean of its divisors is an integer number (24093360).

Almost surely, 2^128287414 is an apocalyptic number.

128287414 is a deficient number, since it is larger than the sum of its proper divisors (64459466).

128287414 is a wasteful number, since it uses less digits than its factorization.

128287414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105254.

The product of its digits is 28672, while the sum is 37.

The square root of 128287414 is about 11326.4034009036. The cubic root of 128287414 is about 504.3453452180.

The spelling of 128287414 in words is "one hundred twenty-eight million, two hundred eighty-seven thousand, four hundred fourteen".