134446780744138 has 4 divisors (see below), whose sum is σ = 201670171116210. Its totient is φ = 67223390372068.

The previous prime is 134446780744093. The next prime is 134446780744147. The reversal of 134446780744138 is 831447087644431.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 112457180603889 + 21989600140249 = 10604583^2 + 4689307^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 134446780744138.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33611695186033 + ... + 33611695186036.

Almost surely, 2^{134446780744138} is an apocalyptic number.

134446780744138 is a deficient number, since it is larger than the sum of its proper divisors (67223390372072).

134446780744138 is an equidigital number, since it uses as much as digits as its factorization.

134446780744138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67223390372071.

The product of its (nonzero) digits is 173408256, while the sum is 64.

The spelling of 134446780744138 in words is "one hundred thirty-four trillion, four hundred forty-six billion, seven hundred eighty million, seven hundred forty-four thousand, one hundred thirty-eight".