128613046 has 8 divisors (see below), whose sum is σ = 194075280. Its totient is φ = 63921288.

The previous prime is 128613019. The next prime is 128613047. The reversal of 128613046 is 640316821.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 128612999 and 128613017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128613047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192201 + ... + 192868.

It is an arithmetic number, because the mean of its divisors is an integer number (24259410).

Almost surely, 2^128613046 is an apocalyptic number.

128613046 is a deficient number, since it is larger than the sum of its proper divisors (65462234).

128613046 is a wasteful number, since it uses less digits than its factorization.

128613046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385238.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 128613046 is about 11340.7691978984. The cubic root of 128613046 is about 504.7717113441.

Adding to 128613046 its reverse (640316821), we get a palindrome (768929867).

The spelling of 128613046 in words is "one hundred twenty-eight million, six hundred thirteen thousand, forty-six".