135411322001 has 4 divisors (see below), whose sum is σ = 135590201652. Its totient is φ = 135232442352.

The previous prime is 135411321989. The next prime is 135411322003. The reversal of 135411322001 is 100223114531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100223114531 = 1669 ⋅60049799.

It can be written as a sum of positive squares in 2 ways, for example, as 32463390976 + 102947931025 = 180176^2 + 320855^2 .

It is a cyclic number.

It is not a de Polignac number, because 135411322001 - 2⁶ = 135411321937 is a prime.

It is a super-2 number, since 2×135411322001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135411322003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89438690 + ... + 89440203.

It is an arithmetic number, because the mean of its divisors is an integer number (33897550413).

Almost surely, 2^135411322001 is an apocalyptic number.

It is an amenable number.

135411322001 is a deficient number, since it is larger than the sum of its proper divisors (178879651).

135411322001 is an equidigital number, since it uses as much as digits as its factorization.

135411322001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178879650.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 135411322001 its reverse (100223114531), we get a palindrome (235634436532).

The spelling of 135411322001 in words is "one hundred thirty-five billion, four hundred eleven million, three hundred twenty-two thousand, one".