134436721147 has 2 divisors, whose sum is σ = 134436721148. Its totient is φ = 134436721146.

The previous prime is 134436721141. The next prime is 134436721183. The reversal of 134436721147 is 741127634431.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134436721147 is a prime.

It is not a weakly prime, because it can be changed into another prime (134436721141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67218360573 + 67218360574.

It is an arithmetic number, because the mean of its divisors is an integer number (67218360574).

Almost surely, 2^134436721147 is an apocalyptic number.

134436721147 is a deficient number, since it is larger than the sum of its proper divisors (1).

134436721147 is an equidigital number, since it uses as much as digits as its factorization.

134436721147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688, while the sum is 43.

The spelling of 134436721147 in words is "one hundred thirty-four billion, four hundred thirty-six million, seven hundred twenty-one thousand, one hundred forty-seven".