135251532242532 has 18 divisors (see below), whose sum is σ = 341885817613158. Its totient is φ = 45083844080832.

The previous prime is 135251532242461. The next prime is 135251532242543. The reversal of 135251532242532 is 235242235152531.

135251532242532 is a `hidden beast` number, since 1 + 3 + 5 + 2 + 5 + 1 + 53 + 22 + 42 + 532 = 666.

It can be written as a sum of positive squares in only one way, i.e., 97239794328576 + 38011737913956 = 9861024^2 + 6165366^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1878493503333 + ... + 1878493503404.

Almost surely, 2^{135251532242532} is an apocalyptic number.

135251532242532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

135251532242532 is an abundant number, since it is smaller than the sum of its proper divisors (206634285370626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135251532242532 is a wasteful number, since it uses less digits than its factorization.

135251532242532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3756987006747 (or 3756987006742 counting only the distinct ones).

The product of its digits is 2160000, while the sum is 45.

The spelling of 135251532242532 in words is "one hundred thirty-five trillion, two hundred fifty-one billion, five hundred thirty-two million, two hundred forty-two thousand, five hundred thirty-two".