135225142001 has 4 divisors (see below), whose sum is σ = 135225981504. Its totient is φ = 135224302500.

The previous prime is 135225141973. The next prime is 135225142033. The reversal of 135225142001 is 100241522531.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 135225142001 - 2⁶ = 135225141937 is a prime.

It is a super-2 number, since 2×135225142001² (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 (135225142051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93725 + ... + 528426.

It is an arithmetic number, because the mean of its divisors is an integer number (33806495376).

Almost surely, 2^135225142001 is an apocalyptic number.

It is an amenable number.

135225142001 is a deficient number, since it is larger than the sum of its proper divisors (839503).

135225142001 is an equidigital number, since it uses as much as digits as its factorization.

135225142001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839502.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 135225142001 its reverse (100241522531), we get a palindrome (235466664532).

The spelling of 135225142001 in words is "one hundred thirty-five billion, two hundred twenty-five million, one hundred forty-two thousand, one".