1351144387 has 2 divisors, whose sum is σ = 1351144388. Its totient is φ = 1351144386.

The previous prime is 1351144363. The next prime is 1351144477. The reversal of 1351144387 is 7834411531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1351144387 - 2¹¹ = 1351142339 is a prime.

It is not a weakly prime, because it can be changed into another prime (1351144187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675572193 + 675572194.

It is an arithmetic number, because the mean of its divisors is an integer number (675572194).

Almost surely, 2^1351144387 is an apocalyptic number.

1351144387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351144387 is an equidigital number, since it uses as much as digits as its factorization.

1351144387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 37.

The square root of 1351144387 is about 36757.9159773783. The cubic root of 1351144387 is about 1105.5216545576.

It can be divided in two parts, 1351144 and 387, that added together give a palindrome (1351531).

The spelling of 1351144387 in words is "one billion, three hundred fifty-one million, one hundred forty-four thousand, three hundred eighty-seven".