128363706 has 48 divisors (see below), whose sum is σ = 282836736. Its totient is φ = 42069888.

The previous prime is 128363663. The next prime is 128363707. The reversal of 128363706 is 607363821.

It is a happy number.

128363706 is a `hidden beast` number, since 1 + 283 + 6 + 370 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (128363707) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 453441 + ... + 453723.

It is an arithmetic number, because the mean of its divisors is an integer number (5892432).

Almost surely, 2^128363706 is an apocalyptic number.

128363706 is an abundant number, since it is smaller than the sum of its proper divisors (154473030).

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

128363706 is a wasteful number, since it uses less digits than its factorization.

128363706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627 (or 624 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 128363706 is about 11329.7707832065. The cubic root of 128363706 is about 504.4453027766.

The spelling of 128363706 in words is "one hundred twenty-eight million, three hundred sixty-three thousand, seven hundred six".