135420411 has 16 divisors (see below), whose sum is σ = 206553600. Its totient is φ = 77308608.

The previous prime is 135420409. The next prime is 135420413. The reversal of 135420411 is 114024531.

135420411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (135420409) and next prime (135420413).

It is not a de Polignac number, because 135420411 - 2¹ = 135420409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (135420413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25255 + ... + 30143.

It is an arithmetic number, because the mean of its divisors is an integer number (12909600).

Almost surely, 2^135420411 is an apocalyptic number.

135420411 is a deficient number, since it is larger than the sum of its proper divisors (71133189).

135420411 is a wasteful number, since it uses less digits than its factorization.

135420411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6218.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 135420411 is about 11637.0275843963. The cubic root of 135420411 is about 513.5247452906.

Adding to 135420411 its reverse (114024531), we get a palindrome (249444942).

The spelling of 135420411 in words is "one hundred thirty-five million, four hundred twenty thousand, four hundred eleven".