1310418145 has 4 divisors (see below), whose sum is σ = 1572501780. Its totient is φ = 1048334512.

The previous prime is 1310418133. The next prime is 1310418149. The reversal of 1310418145 is 5418140131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5418140131 = 89 ⋅60877979.

It can be written as a sum of positive squares in 2 ways, for example, as 972005329 + 338412816 = 31177^2 + 18396^2 .

It is a cyclic number.

It is not a de Polignac number, because 1310418145 - 2⁷ = 1310418017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1310418149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131041810 + ... + 131041819.

It is an arithmetic number, because the mean of its divisors is an integer number (393125445).

Almost surely, 2^1310418145 is an apocalyptic number.

It is an amenable number.

1310418145 is a deficient number, since it is larger than the sum of its proper divisors (262083635).

1310418145 is an equidigital number, since it uses as much as digits as its factorization.

1310418145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262083634.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 1310418145 is about 36199.6981341005. The cubic root of 1310418145 is about 1094.3005882269.

Adding to 1310418145 its reverse (5418140131), we get a palindrome (6728558276).

The spelling of 1310418145 in words is "one billion, three hundred ten million, four hundred eighteen thousand, one hundred forty-five".