1350440132521 has 2 divisors, whose sum is σ = 1350440132522. Its totient is φ = 1350440132520.

The previous prime is 1350440132497. The next prime is 1350440132549. The reversal of 1350440132521 is 1252310440531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 874290451225 + 476149681296 = 935035^2 + 690036^2 .

It is a cyclic number.

It is not a de Polignac number, because 1350440132521 - 2³⁹ = 800684318633 is a prime.

It is not a weakly prime, because it can be changed into another prime (1350440132581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675220066260 + 675220066261.

It is an arithmetic number, because the mean of its divisors is an integer number (675220066261).

Almost surely, 2^{1350440132521} is an apocalyptic number.

It is an amenable number.

1350440132521 is a deficient number, since it is larger than the sum of its proper divisors (1).

1350440132521 is an equidigital number, since it uses as much as digits as its factorization.

1350440132521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 1350440132521 in words is "one trillion, three hundred fifty billion, four hundred forty million, one hundred thirty-two thousand, five hundred twenty-one".