134548018994 has 4 divisors (see below), whose sum is σ = 201822028494. Its totient is φ = 67274009496.

The previous prime is 134548018993. The next prime is 134548019029. The reversal of 134548018994 is 499810845431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 499810845431 = 29 ⋅17234856739.

It can be written as a sum of positive squares in only one way, i.e., 126575850625 + 7972168369 = 355775^2 + 89287^2 .

It is not an unprimeable number, because it can be changed into a prime (134548018993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33637004747 + ... + 33637004750.

Almost surely, 2^134548018994 is an apocalyptic number.

134548018994 is a deficient number, since it is larger than the sum of its proper divisors (67274009500).

134548018994 is an equidigital number, since it uses as much as digits as its factorization.

134548018994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67274009499.

The product of its (nonzero) digits is 4976640, while the sum is 56.

The spelling of 134548018994 in words is "one hundred thirty-four billion, five hundred forty-eight million, eighteen thousand, nine hundred ninety-four".