134263633391 has 2 divisors, whose sum is σ = 134263633392. Its totient is φ = 134263633390.

The previous prime is 134263633381. The next prime is 134263633423. The reversal of 134263633391 is 193336362431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134263633391 - 2⁶ = 134263633327 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134263633381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67131816695 + 67131816696.

It is an arithmetic number, because the mean of its divisors is an integer number (67131816696).

Almost surely, 2^134263633391 is an apocalyptic number.

134263633391 is a deficient number, since it is larger than the sum of its proper divisors (1).

134263633391 is an equidigital number, since it uses as much as digits as its factorization.

134263633391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 629856, while the sum is 44.

The spelling of 134263633391 in words is "one hundred thirty-four billion, two hundred sixty-three million, six hundred thirty-three thousand, three hundred ninety-one".