135584278854837 has 4 divisors (see below), whose sum is σ = 180779038473120. Its totient is φ = 90389519236556.

The previous prime is 135584278854799. The next prime is 135584278854853. The reversal of 135584278854837 is 738458872485531.

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.

It is a cyclic number.

It is not a de Polignac number, because 135584278854837 - 2²² = 135584274660533 is a prime.

It is a super-2 number, since 2×135584278854837² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135584278854737) 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, 22597379809137 + ... + 22597379809142.

It is an arithmetic number, because the mean of its divisors is an integer number (45194759618280).

Almost surely, 2^{135584278854837} is an apocalyptic number.

It is an amenable number.

135584278854837 is a deficient number, since it is larger than the sum of its proper divisors (45194759618283).

135584278854837 is an equidigital number, since it uses as much as digits as its factorization.

135584278854837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45194759618282.

The product of its digits is 7225344000, while the sum is 78.

The spelling of 135584278854837 in words is "one hundred thirty-five trillion, five hundred eighty-four billion, two hundred seventy-eight million, eight hundred fifty-four thousand, eight hundred thirty-seven".