134827397 has 2 divisors, whose sum is σ = 134827398. Its totient is φ = 134827396.

The previous prime is 134827387. The next prime is 134827487. The reversal of 134827397 is 793728431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101082916 + 33744481 = 10054^2 + 5809^2 .

It is a cyclic number.

It is not a de Polignac number, because 134827397 - 2⁶ = 134827333 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134827307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67413698 + 67413699.

It is an arithmetic number, because the mean of its divisors is an integer number (67413699).

Almost surely, 2^134827397 is an apocalyptic number.

It is an amenable number.

134827397 is a deficient number, since it is larger than the sum of its proper divisors (1).

134827397 is an equidigital number, since it uses as much as digits as its factorization.

134827397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 44.

The square root of 134827397 is about 11611.5200124704. The cubic root of 134827397 is about 512.7740633707.

The spelling of 134827397 in words is "one hundred thirty-four million, eight hundred twenty-seven thousand, three hundred ninety-seven".