135308578001 has 4 divisors (see below), whose sum is σ = 135367744512. Its totient is φ = 135249411492.

The previous prime is 135308577931. The next prime is 135308578021. The reversal of 135308578001 is 100875803531.

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: 100875803531 = 397 ⋅254095223.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135308578001 is a prime.

It is a super-2 number, since 2×135308578001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 135308578001.

It is not an unprimeable number, because it can be changed into a prime (135308578021) 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, 29579825 + ... + 29584398.

It is an arithmetic number, because the mean of its divisors is an integer number (33841936128).

Almost surely, 2^135308578001 is an apocalyptic number.

It is an amenable number.

135308578001 is a deficient number, since it is larger than the sum of its proper divisors (59166511).

135308578001 is an equidigital number, since it uses as much as digits as its factorization.

135308578001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59166510.

The product of its (nonzero) digits is 100800, while the sum is 41.

The spelling of 135308578001 in words is "one hundred thirty-five billion, three hundred eight million, five hundred seventy-eight thousand, one".