135403116046637 has 2 divisors, whose sum is σ = 135403116046638. Its totient is φ = 135403116046636.

The previous prime is 135403116046603. The next prime is 135403116046661. The reversal of 135403116046637 is 736640611304531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134812975588201 + 590140458436 = 11610899^2 + 768206^2 .

It is a cyclic number.

It is not a de Polignac number, because 135403116046637 - 2¹⁴ = 135403116030253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135403116076637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67701558023318 + 67701558023319.

It is an arithmetic number, because the mean of its divisors is an integer number (67701558023319).

Almost surely, 2^{135403116046637} is an apocalyptic number.

It is an amenable number.

135403116046637 is a deficient number, since it is larger than the sum of its proper divisors (1).

135403116046637 is an equidigital number, since it uses as much as digits as its factorization.

135403116046637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3265920, while the sum is 50.

The spelling of 135403116046637 in words is "one hundred thirty-five trillion, four hundred three billion, one hundred sixteen million, forty-six thousand, six hundred thirty-seven".