1351036142509 has 2 divisors, whose sum is σ = 1351036142510. Its totient is φ = 1351036142508.

The previous prime is 1351036142507. The next prime is 1351036142557. The reversal of 1351036142509 is 9052416301531.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 885942150025 + 465093992484 = 941245^2 + 681978^2 .

It is an emirp because it is prime and its reverse (9052416301531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1351036142509 - 2¹ = 1351036142507 is a prime.

It is a super-3 number, since 3×1351036142509³ (a number of 37 digits) contains 333 as substring.

Together with 1351036142507, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1351036142507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675518071254 + 675518071255.

It is an arithmetic number, because the mean of its divisors is an integer number (675518071255).

Almost surely, 2^{1351036142509} is an apocalyptic number.

It is an amenable number.

1351036142509 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351036142509 is an equidigital number, since it uses as much as digits as its factorization.

1351036142509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 40.

The spelling of 1351036142509 in words is "one trillion, three hundred fifty-one billion, thirty-six million, one hundred forty-two thousand, five hundred nine".