135250203055631 has 2 divisors, whose sum is σ = 135250203055632. Its totient is φ = 135250203055630.

The previous prime is 135250203055577. The next prime is 135250203055661. The reversal of 135250203055631 is 136550302052531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135250203055631 - 2¹⁰ = 135250203054607 is a prime.

It is a super-2 number, since 2×135250203055631² (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 (135250203055661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67625101527815 + 67625101527816.

It is an arithmetic number, because the mean of its divisors is an integer number (67625101527816).

Almost surely, 2^{135250203055631} is an apocalyptic number.

135250203055631 is a deficient number, since it is larger than the sum of its proper divisors (1).

135250203055631 is an equidigital number, since it uses as much as digits as its factorization.

135250203055631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 405000, while the sum is 41.

The spelling of 135250203055631 in words is "one hundred thirty-five trillion, two hundred fifty billion, two hundred three million, fifty-five thousand, six hundred thirty-one".