134030442391 has 2 divisors, whose sum is σ = 134030442392. Its totient is φ = 134030442390.

The previous prime is 134030442379. The next prime is 134030442431. The reversal of 134030442391 is 193244030431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134030442391 - 2¹¹ = 134030440343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134030442341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67015221195 + 67015221196.

It is an arithmetic number, because the mean of its divisors is an integer number (67015221196).

Almost surely, 2^134030442391 is an apocalyptic number.

134030442391 is a deficient number, since it is larger than the sum of its proper divisors (1).

134030442391 is an equidigital number, since it uses as much as digits as its factorization.

134030442391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 134030442391 in words is "one hundred thirty-four billion, thirty million, four hundred forty-two thousand, three hundred ninety-one".