135267661507135 has 4 divisors (see below), whose sum is σ = 162321193808568. Its totient is φ = 108214129205704.

The previous prime is 135267661507081. The next prime is 135267661507247. The reversal of 135267661507135 is 531705166762531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 135267661507135 - 2⁷ = 135267661507007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135267661507135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13526766150709 + ... + 13526766150718.

It is an arithmetic number, because the mean of its divisors is an integer number (40580298452142).

Almost surely, 2^{135267661507135} is an apocalyptic number.

135267661507135 is a deficient number, since it is larger than the sum of its proper divisors (27053532301433).

135267661507135 is an equidigital number, since it uses as much as digits as its factorization.

135267661507135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27053532301432.

The product of its (nonzero) digits is 23814000, while the sum is 58.

The spelling of 135267661507135 in words is "one hundred thirty-five trillion, two hundred sixty-seven billion, six hundred sixty-one million, five hundred seven thousand, one hundred thirty-five".