135252644652 has 18 divisors (see below), whose sum is σ = 341888629628. Its totient is φ = 45084214872.

The previous prime is 135252644627. The next prime is 135252644677. The reversal of 135252644652 is 256446252531.

135252644652 is a `hidden beast` number, since 1 + 3 + 525 + 2 + 64 + 4 + 65 + 2 = 666.

135252644652 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (135252644627) and next prime (135252644677).

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

It is a super-2 number, since 2×135252644652² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 135252644598 and 135252644607.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1878508918 + ... + 1878508989.

Almost surely, 2^135252644652 is an apocalyptic number.

135252644652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

135252644652 is an abundant number, since it is smaller than the sum of its proper divisors (206635984976).

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

135252644652 is a wasteful number, since it uses less digits than its factorization.

135252644652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3757017917 (or 3757017912 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 45.

The spelling of 135252644652 in words is "one hundred thirty-five billion, two hundred fifty-two million, six hundred forty-four thousand, six hundred fifty-two".