134868997 has 2 divisors, whose sum is σ = 134868998. Its totient is φ = 134868996.

The previous prime is 134868961. The next prime is 134869039. The reversal of 134868997 is 799868431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126540001 + 8328996 = 11249^2 + 2886^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134868997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134868907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67434498 + 67434499.

It is an arithmetic number, because the mean of its divisors is an integer number (67434499).

Almost surely, 2^134868997 is an apocalyptic number.

It is an amenable number.

134868997 is a deficient number, since it is larger than the sum of its proper divisors (1).

134868997 is an equidigital number, since it uses as much as digits as its factorization.

134868997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2612736, while the sum is 55.

The square root of 134868997 is about 11613.3111987925. The cubic root of 134868997 is about 512.8267955009.

The spelling of 134868997 in words is "one hundred thirty-four million, eight hundred sixty-eight thousand, nine hundred ninety-seven".