135447066136317 has 64 divisors (see below), whose sum is σ = 206090288812800. Its totient is φ = 78439023544320.

The previous prime is 135447066136309. The next prime is 135447066136321. The reversal of 135447066136317 is 713631660744531.

It is a happy number.

It is not a de Polignac number, because 135447066136317 - 2³ = 135447066136309 is a prime.

It is a super-4 number, since 4×135447066136317⁴ (a number of 58 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135447066136117) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 144261967 + ... + 145197827.

It is an arithmetic number, because the mean of its divisors is an integer number (3220160762700).

Almost surely, 2^{135447066136317} is an apocalyptic number.

It is an amenable number.

135447066136317 is a deficient number, since it is larger than the sum of its proper divisors (70643222676483).

135447066136317 is a wasteful number, since it uses less digits than its factorization.

135447066136317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937198.

The product of its (nonzero) digits is 22861440, while the sum is 57.

The spelling of 135447066136317 in words is "one hundred thirty-five trillion, four hundred forty-seven billion, sixty-six million, one hundred thirty-six thousand, three hundred seventeen".