1013818505 has 16 divisors (see below), whose sum is σ = 1390980864. Its totient is φ = 694889280.

The previous prime is 1013818493. The next prime is 1013818517. The reversal of 1013818505 is 5058183101.

It is a happy number.

1013818505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1013818493) and next prime (1013818517).

It is not a de Polignac number, because 1013818505 - 2⁶ = 1013818441 is a prime.

It is a super-2 number, since 2×1013818505² = 2055655922160870050, which contains 22 as substring.

It is a nialpdrome in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102404 + ... + 111866.

It is an arithmetic number, because the mean of its divisors is an integer number (86936304).

Almost surely, 2^1013818505 is an apocalyptic number.

It is an amenable number.

1013818505 is a deficient number, since it is larger than the sum of its proper divisors (377162359).

1013818505 is an equidigital number, since it uses as much as digits as its factorization.

1013818505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12536.

The product of its (nonzero) digits is 4800, while the sum is 32.

The square root of 1013818505 is about 31840.5167200534. The cubic root of 1013818505 is about 1004.5851129413.

The spelling of 1013818505 in words is "one billion, thirteen million, eight hundred eighteen thousand, five hundred five".