135252026001 has 12 divisors (see below), whose sum is σ = 195387845328. Its totient is φ = 90157029144.

The previous prime is 135252025999. The next prime is 135252026051. The reversal of 135252026001 is 100620252531.

It is a happy number.

135252026001 is a `hidden beast` number, since 1 + 3 + 5 + 2 + 52 + 0 + 2 + 600 + 1 = 666.

It is not a de Polignac number, because 135252026001 - 2¹ = 135252025999 is a prime.

It is a super-2 number, since 2×135252026001² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135252026051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 837375 + ... + 985748.

It is an arithmetic number, because the mean of its divisors is an integer number (16282320444).

Almost surely, 2^135252026001 is an apocalyptic number.

It is an amenable number.

135252026001 is a deficient number, since it is larger than the sum of its proper divisors (60135819327).

135252026001 is a wasteful number, since it uses less digits than its factorization.

135252026001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1831372 (or 1831369 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 135252026001 its reverse (100620252531), we get a palindrome (235872278532).

The spelling of 135252026001 in words is "one hundred thirty-five billion, two hundred fifty-two million, twenty-six thousand, one".