134578053361 has 4 divisors (see below), whose sum is σ = 134580085924. Its totient is φ = 134576020800.

The previous prime is 134578053347. The next prime is 134578053367. The reversal of 134578053361 is 163350875431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 163350875431 = 599 ⋅272705969.

It can be written as a sum of positive squares in 2 ways, for example, as 61147892961 + 73430160400 = 247281^2 + 270980^2 .

It is a cyclic number.

It is not a de Polignac number, because 134578053361 - 2⁵ = 134578053329 is a prime.

It is a super-2 number, since 2×134578053361² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134578053367) 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, 913500 + ... + 1050541.

It is an arithmetic number, because the mean of its divisors is an integer number (33645021481).

Almost surely, 2^134578053361 is an apocalyptic number.

It is an amenable number.

134578053361 is a deficient number, since it is larger than the sum of its proper divisors (2032563).

134578053361 is an equidigital number, since it uses as much as digits as its factorization.

134578053361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2032562.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 134578053361 in words is "one hundred thirty-four billion, five hundred seventy-eight million, fifty-three thousand, three hundred sixty-one".