135402411 has 4 divisors (see below), whose sum is σ = 180536552. Its totient is φ = 90268272.

The previous prime is 135402391. The next prime is 135402413. The reversal of 135402411 is 114204531.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 135402411 - 2¹³ = 135394219 is a prime.

It is a super-2 number, since 2×135402411² = 36667625809225842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135402413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22567066 + ... + 22567071.

It is an arithmetic number, because the mean of its divisors is an integer number (45134138).

Almost surely, 2^135402411 is an apocalyptic number.

135402411 is a deficient number, since it is larger than the sum of its proper divisors (45134141).

135402411 is an equidigital number, since it uses as much as digits as its factorization.

135402411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45134140.

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

The square root of 135402411 is about 11636.2541653231. The cubic root of 135402411 is about 513.5019918151.

Adding to 135402411 its reverse (114204531), we get a palindrome (249606942).

It can be divided in two parts, 13540 and 2411, that added together give a palindrome (15951).

The spelling of 135402411 in words is "one hundred thirty-five million, four hundred two thousand, four hundred eleven".