135251433055505 has 16 divisors (see below), whose sum is σ = 174846182805504. Its totient is φ = 99843858206400.

The previous prime is 135251433055489. The next prime is 135251433055507. The reversal of 135251433055505 is 505550334152531.

It is not a de Polignac number, because 135251433055505 - 2⁴ = 135251433055489 is a prime.

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 135251433055505.

It is not an unprimeable number, because it can be changed into a prime (135251433055507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355257521 + ... + 355638030.

It is an arithmetic number, because the mean of its divisors is an integer number (10927886425344).

Almost surely, 2^{135251433055505} is an apocalyptic number.

It is an amenable number.

135251433055505 is a deficient number, since it is larger than the sum of its proper divisors (39594749749999).

135251433055505 is a wasteful number, since it uses less digits than its factorization.

135251433055505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710898496.

The product of its (nonzero) digits is 3375000, while the sum is 47.

The spelling of 135251433055505 in words is "one hundred thirty-five trillion, two hundred fifty-one billion, four hundred thirty-three million, fifty-five thousand, five hundred five".