135355230401 has 4 divisors (see below), whose sum is σ = 135383080404. Its totient is φ = 135327380400.

The previous prime is 135355230389. The next prime is 135355230407. The reversal of 135355230401 is 104032553531.

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

It can be written as a sum of positive squares in 2 ways, for example, as 94258210225 + 41097020176 = 307015^2 + 202724^2 .

It is a cyclic number.

It is not a de Polignac number, because 135355230401 - 2⁶ = 135355230337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135355230407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13917710 + ... + 13927431.

It is an arithmetic number, because the mean of its divisors is an integer number (33845770101).

Almost surely, 2^135355230401 is an apocalyptic number.

It is an amenable number.

135355230401 is a deficient number, since it is larger than the sum of its proper divisors (27850003).

135355230401 is an equidigital number, since it uses as much as digits as its factorization.

135355230401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27850002.

The product of its (nonzero) digits is 27000, while the sum is 32.

Adding to 135355230401 its reverse (104032553531), we get a palindrome (239387783932).

The spelling of 135355230401 in words is "one hundred thirty-five billion, three hundred fifty-five million, two hundred thirty thousand, four hundred one".