134178392879 has 2 divisors, whose sum is σ = 134178392880. Its totient is φ = 134178392878.

The previous prime is 134178392827. The next prime is 134178392899. The reversal of 134178392879 is 978293871431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 134178392879 - 2¹⁶ = 134178327343 is a prime.

It is a super-2 number, since 2×134178392879² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134178392809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67089196439 + 67089196440.

It is an arithmetic number, because the mean of its divisors is an integer number (67089196440).

Almost surely, 2^134178392879 is an apocalyptic number.

134178392879 is a deficient number, since it is larger than the sum of its proper divisors (1).

134178392879 is an equidigital number, since it uses as much as digits as its factorization.

134178392879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18289152, while the sum is 62.

The spelling of 134178392879 in words is "one hundred thirty-four billion, one hundred seventy-eight million, three hundred ninety-two thousand, eight hundred seventy-nine".