256416135 has 16 divisors (see below), whose sum is σ = 411786240. Its totient is φ = 136248480.

The previous prime is 256416119. The next prime is 256416143. The reversal of 256416135 is 531614652.

256416135 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 256416135 - 2⁴ = 256416119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 256416096 and 256416105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27475 + ... + 35604.

It is an arithmetic number, because the mean of its divisors is an integer number (25736640).

Almost surely, 2^256416135 is an apocalyptic number.

256416135 is a deficient number, since it is larger than the sum of its proper divisors (155370105).

256416135 is a wasteful number, since it uses less digits than its factorization.

256416135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63358.

The product of its digits is 21600, while the sum is 33.

The square root of 256416135 is about 16012.9989383625. The cubic root of 256416135 is about 635.3042830441.

The spelling of 256416135 in words is "two hundred fifty-six million, four hundred sixteen thousand, one hundred thirty-five".