1351310445 has 20 divisors (see below), whose sum is σ = 2422349820. Its totient is φ = 720698688.

The previous prime is 1351310417. The next prime is 1351310449. The reversal of 1351310445 is 5440131531.

It is a happy number.

1351310445 is a `hidden beast` number, since 1 + 3 + 513 + 104 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 332807049 + 1018503396 = 18243^2 + 31914^2 .

It is not a de Polignac number, because 1351310445 - 2¹⁵ = 1351277677 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351310449) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1667880 + ... + 1668689.

It is an arithmetic number, because the mean of its divisors is an integer number (121117491).

Almost surely, 2^1351310445 is an apocalyptic number.

1351310445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1351310445 is a deficient number, since it is larger than the sum of its proper divisors (1071039375).

1351310445 is an equidigital number, since it uses as much as digits as its factorization.

1351310445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3336586 (or 3336577 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 1351310445 is about 36760.1747139482. The cubic root of 1351310445 is about 1105.5669428817.

Adding to 1351310445 its reverse (5440131531), we get a palindrome (6791441976).

The spelling of 1351310445 in words is "one billion, three hundred fifty-one million, three hundred ten thousand, four hundred forty-five".