134211397 has 2 divisors, whose sum is σ = 134211398. Its totient is φ = 134211396.

The previous prime is 134211361. The next prime is 134211419. The reversal of 134211397 is 793112431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77193796 + 57017601 = 8786^2 + 7551^2 .

It is a cyclic number.

It is not a de Polignac number, because 134211397 - 2¹¹ = 134209349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134211347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67105698 + 67105699.

It is an arithmetic number, because the mean of its divisors is an integer number (67105699).

Almost surely, 2^134211397 is an apocalyptic number.

It is an amenable number.

134211397 is a deficient number, since it is larger than the sum of its proper divisors (1).

134211397 is an equidigital number, since it uses as much as digits as its factorization.

134211397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 31.

The square root of 134211397 is about 11584.9642640795. The cubic root of 134211397 is about 511.9919495906.

The spelling of 134211397 in words is "one hundred thirty-four million, two hundred eleven thousand, three hundred ninety-seven".