1356451141 has 2 divisors, whose sum is σ = 1356451142. Its totient is φ = 1356451140.

The previous prime is 1356451139. The next prime is 1356451157. The reversal of 1356451141 is 1411546531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1286728641 + 69722500 = 35871^2 + 8350^2 .

It is a cyclic number.

It is not a de Polignac number, because 1356451141 - 2¹ = 1356451139 is a prime.

Together with 1356451139, 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 (1356451121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 678225570 + 678225571.

It is an arithmetic number, because the mean of its divisors is an integer number (678225571).

Almost surely, 2^1356451141 is an apocalyptic number.

It is an amenable number.

1356451141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1356451141 is an equidigital number, since it uses as much as digits as its factorization.

1356451141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 31.

The square root of 1356451141 is about 36830.0304235552. The cubic root of 1356451141 is about 1106.9671125735.

Adding to 1356451141 its reverse (1411546531), we get a palindrome (2767997672).

The spelling of 1356451141 in words is "one billion, three hundred fifty-six million, four hundred fifty-one thousand, one hundred forty-one".