135341344631287 has 16 divisors (see below), whose sum is σ = 137122739353152. Its totient is φ = 133572806864640.

The previous prime is 135341344631279. The next prime is 135341344631303. The reversal of 135341344631287 is 782136443143531.

It is a cyclic number.

It is not a de Polignac number, because 135341344631287 - 2³ = 135341344631279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135341344631387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32681493 + ... + 36589105.

It is an arithmetic number, because the mean of its divisors is an integer number (8570171209572).

Almost surely, 2^{135341344631287} is an apocalyptic number.

135341344631287 is a deficient number, since it is larger than the sum of its proper divisors (1781394721865).

135341344631287 is a wasteful number, since it uses less digits than its factorization.

135341344631287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3909258.

The product of its digits is 17418240, while the sum is 55.

The spelling of 135341344631287 in words is "one hundred thirty-five trillion, three hundred forty-one billion, three hundred forty-four million, six hundred thirty-one thousand, two hundred eighty-seven".