135420413 has 2 divisors, whose sum is σ = 135420414. Its totient is φ = 135420412.

The previous prime is 135420409. The next prime is 135420449. The reversal of 135420413 is 314024531.

135420413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131492089 + 3928324 = 11467^2 + 1982^2 .

It is a cyclic number.

It is not a de Polignac number, because 135420413 - 2² = 135420409 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135420403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67710206 + 67710207.

It is an arithmetic number, because the mean of its divisors is an integer number (67710207).

Almost surely, 2^135420413 is an apocalyptic number.

It is an amenable number.

135420413 is a deficient number, since it is larger than the sum of its proper divisors (1).

135420413 is an equidigital number, since it uses as much as digits as its factorization.

135420413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 135420413 is about 11637.0276703289. The cubic root of 135420413 is about 513.5247478186.

Adding to 135420413 its reverse (314024531), we get a palindrome (449444944).

The spelling of 135420413 in words is "one hundred thirty-five million, four hundred twenty thousand, four hundred thirteen".