259983135 has 16 divisors (see below), whose sum is σ = 462192480. Its totient is φ = 138657600.

The previous prime is 259983131. The next prime is 259983161. The reversal of 259983135 is 531389952.

It is not a de Polignac number, because 259983135 - 2² = 259983131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259983131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 962766 + ... + 963035.

It is an arithmetic number, because the mean of its divisors is an integer number (28887030).

Almost surely, 2^259983135 is an apocalyptic number.

259983135 is a deficient number, since it is larger than the sum of its proper divisors (202209345).

259983135 is a wasteful number, since it uses less digits than its factorization.

259983135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1925815 (or 1925809 counting only the distinct ones).

The product of its digits is 291600, while the sum is 45.

The square root of 259983135 is about 16123.9925266666. The cubic root of 259983135 is about 638.2366294677.

The spelling of 259983135 in words is "two hundred fifty-nine million, nine hundred eighty-three thousand, one hundred thirty-five".