128463413 has 8 divisors (see below), whose sum is σ = 138433848. Its totient is φ = 118505664.

The previous prime is 128463409. The next prime is 128463431. The reversal of 128463413 is 314364821.

It can be written as a sum of positive squares in 4 ways, for example, as 28922884 + 99540529 = 5378^2 + 9977^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 128463413 - 2² = 128463409 is a prime.

It is a super-3 number, since 3×128463413³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 128463413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128463463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34595 + ... + 38127.

It is an arithmetic number, because the mean of its divisors is an integer number (17304231).

Almost surely, 2^128463413 is an apocalyptic number.

128463413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

128463413 is a deficient number, since it is larger than the sum of its proper divisors (9970435).

128463413 is a wasteful number, since it uses less digits than its factorization.

128463413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6343.

The product of its digits is 13824, while the sum is 32.

The square root of 128463413 is about 11334.1701504786. The cubic root of 128463413 is about 504.5758789139.

The spelling of 128463413 in words is "one hundred twenty-eight million, four hundred sixty-three thousand, four hundred thirteen".