1354223631157 has 2 divisors, whose sum is σ = 1354223631158. Its totient is φ = 1354223631156.

The previous prime is 1354223631143. The next prime is 1354223631181. The reversal of 1354223631157 is 7511363224531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 687781614276 + 666442016881 = 829326^2 + 816359^2 .

It is a cyclic number.

It is not a de Polignac number, because 1354223631157 - 2³¹ = 1352076147509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1354223661157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677111815578 + 677111815579.

It is an arithmetic number, because the mean of its divisors is an integer number (677111815579).

Almost surely, 2^{1354223631157} is an apocalyptic number.

It is an amenable number.

1354223631157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1354223631157 is an equidigital number, since it uses as much as digits as its factorization.

1354223631157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 453600, while the sum is 43.

Adding to 1354223631157 its reverse (7511363224531), we get a palindrome (8865586855688).

The spelling of 1354223631157 in words is "one trillion, three hundred fifty-four billion, two hundred twenty-three million, six hundred thirty-one thousand, one hundred fifty-seven".