255140105 has 8 divisors (see below), whose sum is σ = 334001664. Its totient is φ = 185556400.

The previous prime is 255140099. The next prime is 255140107. The reversal of 255140105 is 501041552.

It is a happy number.

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

It is not a de Polignac number, because 255140105 - 2¹⁶ = 255074569 is a prime.

It is a super-2 number, since 2×255140105² = 130192946358822050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255140107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2319401 + ... + 2319510.

It is an arithmetic number, because the mean of its divisors is an integer number (41750208).

Almost surely, 2^255140105 is an apocalyptic number.

It is an amenable number.

255140105 is a deficient number, since it is larger than the sum of its proper divisors (78861559).

255140105 is a wasteful number, since it uses less digits than its factorization.

255140105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4638927.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 255140105 is about 15973.1056779826. The cubic root of 255140105 is about 634.2486867180.

Adding to 255140105 its reverse (501041552), we get a palindrome (756181657).

The spelling of 255140105 in words is "two hundred fifty-five million, one hundred forty thousand, one hundred five".