134500251997 has 2 divisors, whose sum is σ = 134500251998. Its totient is φ = 134500251996.

The previous prime is 134500251953. The next prime is 134500252009. The reversal of 134500251997 is 799152005431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132453051481 + 2047200516 = 363941^2 + 45246^2 .

It is a cyclic number.

It is not a de Polignac number, because 134500251997 - 2⁷ = 134500251869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134500251497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67250125998 + 67250125999.

It is an arithmetic number, because the mean of its divisors is an integer number (67250125999).

Almost surely, 2^134500251997 is an apocalyptic number.

It is an amenable number.

134500251997 is a deficient number, since it is larger than the sum of its proper divisors (1).

134500251997 is an equidigital number, since it uses as much as digits as its factorization.

134500251997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 340200, while the sum is 46.

The spelling of 134500251997 in words is "one hundred thirty-four billion, five hundred million, two hundred fifty-one thousand, nine hundred ninety-seven".