134778825249 has 8 divisors (see below), whose sum is σ = 180709040160. Its totient is φ = 89350580256.

The previous prime is 134778825227. The next prime is 134778825283. The reversal of 134778825249 is 942528877431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 134778825249 - 2⁸ = 134778824993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 134778825192 and 134778825201.

It is not an unprimeable number, because it can be changed into a prime (134778825449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125491852 + ... + 125492925.

It is an arithmetic number, because the mean of its divisors is an integer number (22588630020).

Almost surely, 2^134778825249 is an apocalyptic number.

It is an amenable number.

134778825249 is a deficient number, since it is larger than the sum of its proper divisors (45930214911).

134778825249 is a wasteful number, since it uses less digits than its factorization.

134778825249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250984959.

The product of its digits is 27095040, while the sum is 60.

The spelling of 134778825249 in words is "one hundred thirty-four billion, seven hundred seventy-eight million, eight hundred twenty-five thousand, two hundred forty-nine".