1352131440437 has 2 divisors, whose sum is σ = 1352131440438. Its totient is φ = 1352131440436.

The previous prime is 1352131440403. The next prime is 1352131440487. The reversal of 1352131440437 is 7340441312531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1351269078481 + 862361956 = 1162441^2 + 29366^2 .

It is a cyclic number.

It is not a de Polignac number, because 1352131440437 - 2¹⁰ = 1352131439413 is a prime.

It is a super-3 number, since 3×1352131440437³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1352131440437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1352131440487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 676065720218 + 676065720219.

It is an arithmetic number, because the mean of its divisors is an integer number (676065720219).

Almost surely, 2^{1352131440437} is an apocalyptic number.

It is an amenable number.

1352131440437 is a deficient number, since it is larger than the sum of its proper divisors (1).

1352131440437 is an equidigital number, since it uses as much as digits as its factorization.

1352131440437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 38.

Adding to 1352131440437 its reverse (7340441312531), we get a palindrome (8692572752968).

The spelling of 1352131440437 in words is "one trillion, three hundred fifty-two billion, one hundred thirty-one million, four hundred forty thousand, four hundred thirty-seven".