135779285 has 8 divisors (see below), whose sum is σ = 164898720. Its totient is φ = 107314384.

The previous prime is 135779279. The next prime is 135779291. The reversal of 135779285 is 582977531.

It is an interprime number because it is at equal distance from previous prime (135779279) and next prime (135779291).

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 135779285 - 2¹⁶ = 135713749 is a prime.

It is a super-2 number, since 2×135779285² = 36872028470222450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163175 + ... + 164004.

It is an arithmetic number, because the mean of its divisors is an integer number (20612340).

Almost surely, 2^135779285 is an apocalyptic number.

It is an amenable number.

135779285 is a deficient number, since it is larger than the sum of its proper divisors (29119435).

135779285 is an equidigital number, since it uses as much as digits as its factorization.

135779285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327267.

The product of its digits is 529200, while the sum is 47.

The square root of 135779285 is about 11652.4368695994. The cubic root of 135779285 is about 513.9779712180.

The spelling of 135779285 in words is "one hundred thirty-five million, seven hundred seventy-nine thousand, two hundred eighty-five".