134636420047 has 4 divisors (see below), whose sum is σ = 136843574536. Its totient is φ = 132429265560.

The previous prime is 134636420029. The next prime is 134636420053. The reversal of 134636420047 is 740024636431.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 134636420047 - 2¹¹ = 134636417999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134636419991 and 134636420009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134636420057) 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, 1103577153 + ... + 1103577274.

It is an arithmetic number, because the mean of its divisors is an integer number (34210893634).

Almost surely, 2^134636420047 is an apocalyptic number.

134636420047 is a deficient number, since it is larger than the sum of its proper divisors (2207154489).

134636420047 is an equidigital number, since it uses as much as digits as its factorization.

134636420047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207154488.

The product of its (nonzero) digits is 290304, while the sum is 40.

The spelling of 134636420047 in words is "one hundred thirty-four billion, six hundred thirty-six million, four hundred twenty thousand, forty-seven".