143261140622513 has 2 divisors, whose sum is σ = 143261140622514. Its totient is φ = 143261140622512.

The previous prime is 143261140622401. The next prime is 143261140622521. The reversal of 143261140622513 is 315226041162341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137394804731809 + 5866335890704 = 11721553^2 + 2422052^2 .

It is an emirp because it is prime and its reverse (315226041162341) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143261140622513 is a prime.

It is not a weakly prime, because it can be changed into another prime (143261140622563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71630570311256 + 71630570311257.

It is an arithmetic number, because the mean of its divisors is an integer number (71630570311257).

Almost surely, 2^{143261140622513} is an apocalyptic number.

It is an amenable number.

143261140622513 is a deficient number, since it is larger than the sum of its proper divisors (1).

143261140622513 is an equidigital number, since it uses as much as digits as its factorization.

143261140622513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 41.

Adding to 143261140622513 its reverse (315226041162341), we get a palindrome (458487181784854).

The spelling of 143261140622513 in words is "one hundred forty-three trillion, two hundred sixty-one billion, one hundred forty million, six hundred twenty-two thousand, five hundred thirteen".