135363889 has 2 divisors, whose sum is σ = 135363890. Its totient is φ = 135363888.

The previous prime is 135363883. The next prime is 135363929. The reversal of 135363889 is 988363531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69022864 + 66341025 = 8308^2 + 8145^2 .

It is a cyclic number.

It is not a de Polignac number, because 135363889 - 2²⁵ = 101809457 is a prime.

It is not a weakly prime, because it can be changed into another prime (135363883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67681944 + 67681945.

It is an arithmetic number, because the mean of its divisors is an integer number (67681945).

Almost surely, 2^135363889 is an apocalyptic number.

It is an amenable number.

135363889 is a deficient number, since it is larger than the sum of its proper divisors (1).

135363889 is an equidigital number, since it uses as much as digits as its factorization.

135363889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 46.

The square root of 135363889 is about 11634.5987898165. The cubic root of 135363889 is about 513.4532900729.

The spelling of 135363889 in words is "one hundred thirty-five million, three hundred sixty-three thousand, eight hundred eighty-nine".