134625234109 has 2 divisors, whose sum is σ = 134625234110. Its totient is φ = 134625234108.

The previous prime is 134625234091. The next prime is 134625234143. The reversal of 134625234109 is 901432526431.

Together with previous prime (134625234091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74094473209 + 60530760900 = 272203^2 + 246030^2 .

It is a cyclic number.

It is not a de Polignac number, because 134625234109 - 2²⁷ = 134491016381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134625234169) 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, 67312617054 + 67312617055.

It is an arithmetic number, because the mean of its divisors is an integer number (67312617055).

Almost surely, 2^134625234109 is an apocalyptic number.

It is an amenable number.

134625234109 is a deficient number, since it is larger than the sum of its proper divisors (1).

134625234109 is an equidigital number, since it uses as much as digits as its factorization.

134625234109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 134625234109 in words is "one hundred thirty-four billion, six hundred twenty-five million, two hundred thirty-four thousand, one hundred nine".