135556160761 has 4 divisors (see below), whose sum is σ = 154921326592. Its totient is φ = 116190994932.

The previous prime is 135556160689. The next prime is 135556160767. The reversal of 135556160761 is 167061655531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 167061655531 = 23663 ⋅7060037.

It is a cyclic number.

It is not a de Polignac number, because 135556160761 - 2³¹ = 133408677113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135556160767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9682582905 + ... + 9682582918.

It is an arithmetic number, because the mean of its divisors is an integer number (38730331648).

Almost surely, 2^135556160761 is an apocalyptic number.

It is an amenable number.

135556160761 is a deficient number, since it is larger than the sum of its proper divisors (19365165831).

135556160761 is an equidigital number, since it uses as much as digits as its factorization.

135556160761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19365165830.

The product of its (nonzero) digits is 567000, while the sum is 46.

The spelling of 135556160761 in words is "one hundred thirty-five billion, five hundred fifty-six million, one hundred sixty thousand, seven hundred sixty-one".