135447276212678 has 4 divisors (see below), whose sum is σ = 203170914319020. Its totient is φ = 67723638106338.

The previous prime is 135447276212657. The next prime is 135447276212683. The reversal of 135447276212678 is 876212672744531.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33861819053168 + ... + 33861819053171.

It is an arithmetic number, because the mean of its divisors is an integer number (50792728579755).

Almost surely, 2^{135447276212678} is an apocalyptic number.

135447276212678 is a deficient number, since it is larger than the sum of its proper divisors (67723638106342).

135447276212678 is an equidigital number, since it uses as much as digits as its factorization.

135447276212678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67723638106341.

The product of its digits is 189665280, while the sum is 65.

The spelling of 135447276212678 in words is "one hundred thirty-five trillion, four hundred forty-seven billion, two hundred seventy-six million, two hundred twelve thousand, six hundred seventy-eight".