135246321742373 has 2 divisors, whose sum is σ = 135246321742374. Its totient is φ = 135246321742372.

The previous prime is 135246321742277. The next prime is 135246321742381. The reversal of 135246321742373 is 373247123642531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135149390392129 + 96931350244 = 11625377^2 + 311338^2 .

It is a cyclic number.

It is not a de Polignac number, because 135246321742373 - 2⁸ = 135246321742117 is a prime.

It is a super-2 number, since 2×135246321742373² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135246321742573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67623160871186 + 67623160871187.

It is an arithmetic number, because the mean of its divisors is an integer number (67623160871187).

Almost surely, 2^{135246321742373} is an apocalyptic number.

It is an amenable number.

135246321742373 is a deficient number, since it is larger than the sum of its proper divisors (1).

135246321742373 is an equidigital number, since it uses as much as digits as its factorization.

135246321742373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15240960, while the sum is 53.

The spelling of 135246321742373 in words is "one hundred thirty-five trillion, two hundred forty-six billion, three hundred twenty-one million, seven hundred forty-two thousand, three hundred seventy-three".