134215553 has 2 divisors, whose sum is σ = 134215554. Its totient is φ = 134215552.

The previous prime is 134215507. The next prime is 134215559. The reversal of 134215553 is 355512431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128300929 + 5914624 = 11327^2 + 2432^2 .

It is a cyclic number.

It is not a de Polignac number, because 134215553 - 2¹⁰ = 134214529 is a prime.

It is not a weakly prime, because it can be changed into another prime (134215559) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67107776 + 67107777.

It is an arithmetic number, because the mean of its divisors is an integer number (67107777).

Almost surely, 2^134215553 is an apocalyptic number.

It is an amenable number.

134215553 is a deficient number, since it is larger than the sum of its proper divisors (1).

134215553 is an equidigital number, since it uses as much as digits as its factorization.

134215553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9000, while the sum is 29.

The square root of 134215553 is about 11585.1436331191. The cubic root of 134215553 is about 511.9972343295.

Adding to 134215553 its reverse (355512431), we get a palindrome (489727984).

The spelling of 134215553 in words is "one hundred thirty-four million, two hundred fifteen thousand, five hundred fifty-three".