135552013 has 2 divisors, whose sum is σ = 135552014. Its totient is φ = 135552012.

The previous prime is 135551989. The next prime is 135552019. The reversal of 135552013 is 310255531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117548964 + 18003049 = 10842^2 + 4243^2 .

It is a cyclic number.

It is not a de Polignac number, because 135552013 - 2⁵ = 135551981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135552019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67776006 + 67776007.

It is an arithmetic number, because the mean of its divisors is an integer number (67776007).

Almost surely, 2^135552013 is an apocalyptic number.

It is an amenable number.

135552013 is a deficient number, since it is larger than the sum of its proper divisors (1).

135552013 is an equidigital number, since it uses as much as digits as its factorization.

135552013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 135552013 is about 11642.6806621156. The cubic root of 135552013 is about 513.6910397782.

The spelling of 135552013 in words is "one hundred thirty-five million, five hundred fifty-two thousand, thirteen".