134404467787 has 2 divisors, whose sum is σ = 134404467788. Its totient is φ = 134404467786.

The previous prime is 134404467773. The next prime is 134404467803. The reversal of 134404467787 is 787764404431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134404467787 - 2¹⁵ = 134404435019 is a prime.

It is a super-2 number, since 2×134404467787² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (134404467727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67202233893 + 67202233894.

It is an arithmetic number, because the mean of its divisors is an integer number (67202233894).

Almost surely, 2^134404467787 is an apocalyptic number.

134404467787 is a deficient number, since it is larger than the sum of its proper divisors (1).

134404467787 is an equidigital number, since it uses as much as digits as its factorization.

134404467787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12644352, while the sum is 55.

The spelling of 134404467787 in words is "one hundred thirty-four billion, four hundred four million, four hundred sixty-seven thousand, seven hundred eighty-seven".