1000505135 has 16 divisors (see below), whose sum is σ = 1444339200. Its totient is φ = 649951776.

The previous prime is 1000505117. The next prime is 1000505137. The reversal of 1000505135 is 5315050001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1000505135 - 2¹⁶ = 1000439599 is a prime.

It is a super-2 number, since 2×1000505135² = 2002021050322736450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000505137) 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, 751595 + ... + 752924.

It is an arithmetic number, because the mean of its divisors is an integer number (90271200).

Almost surely, 2^1000505135 is an apocalyptic number.

1000505135 is a deficient number, since it is larger than the sum of its proper divisors (443834065).

1000505135 is a wasteful number, since it uses less digits than its factorization.

1000505135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504550.

The product of its (nonzero) digits is 375, while the sum is 20.

The square root of 1000505135 is about 31630.7624789539. The cubic root of 1000505135 is about 1000.1683499900.

Adding to 1000505135 its reverse (5315050001), we get a palindrome (6315555136).

The spelling of 1000505135 in words is "one billion, five hundred five thousand, one hundred thirty-five".