268820132145 has 16 divisors (see below), whose sum is σ = 438227537472. Its totient is φ = 140665628480.

The previous prime is 268820132143. The next prime is 268820132173. The reversal of 268820132145 is 541231028862.

It is not a de Polignac number, because 268820132145 - 2¹ = 268820132143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 268820132097 and 268820132106.

It is not an unprimeable number, because it can be changed into a prime (268820132143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169068471 + ... + 169070060.

It is an arithmetic number, because the mean of its divisors is an integer number (27389221092).

Almost surely, 2^268820132145 is an apocalyptic number.

It is an amenable number.

268820132145 is a deficient number, since it is larger than the sum of its proper divisors (169407405327).

268820132145 is a wasteful number, since it uses less digits than its factorization.

268820132145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338138592.

The product of its (nonzero) digits is 184320, while the sum is 42.

The spelling of 268820132145 in words is "two hundred sixty-eight billion, eight hundred twenty million, one hundred thirty-two thousand, one hundred forty-five".