135335401 has 4 divisors (see below), whose sum is σ = 136966032. Its totient is φ = 133704772.

The previous prime is 135335399. The next prime is 135335437. The reversal of 135335401 is 104533531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 104533531 = 5407 ⋅19333.

It is a cyclic number.

It is not a de Polignac number, because 135335401 - 2¹ = 135335399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135335441) 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, 815191 + ... + 815356.

It is an arithmetic number, because the mean of its divisors is an integer number (34241508).

Almost surely, 2^135335401 is an apocalyptic number.

It is an amenable number.

135335401 is a deficient number, since it is larger than the sum of its proper divisors (1630631).

135335401 is an equidigital number, since it uses as much as digits as its factorization.

135335401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630630.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 135335401 is about 11633.3744459636. The cubic root of 135335401 is about 513.4172679509.

Adding to 135335401 its reverse (104533531), we get a palindrome (239868932).

The spelling of 135335401 in words is "one hundred thirty-five million, three hundred thirty-five thousand, four hundred one".