135862211 has 2 divisors, whose sum is σ = 135862212. Its totient is φ = 135862210.

The previous prime is 135862201. The next prime is 135862277. The reversal of 135862211 is 112268531.

It is a weak prime.

It is an emirp because it is prime and its reverse (112268531) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135862211 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (135862201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67931105 + 67931106.

It is an arithmetic number, because the mean of its divisors is an integer number (67931106).

Almost surely, 2^135862211 is an apocalyptic number.

135862211 is a deficient number, since it is larger than the sum of its proper divisors (1).

135862211 is an equidigital number, since it uses as much as digits as its factorization.

135862211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 29.

The square root of 135862211 is about 11655.9946379535. The cubic root of 135862211 is about 514.0825857600.

The spelling of 135862211 in words is "one hundred thirty-five million, eight hundred sixty-two thousand, two hundred eleven".