135385961552 has 20 divisors (see below), whose sum is σ = 262319945940. Its totient is φ = 67690491648.

The previous prime is 135385961521. The next prime is 135385961563. The reversal of 135385961552 is 255169583531.

It can be written as a sum of positive squares in 2 ways, for example, as 37564641856 + 97821319696 = 193816^2 + 312764^2 .

It is a junction number, because it is equal to n+sod(n) for n = 135385961494 and 135385961503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341228 + ... + 622260.

It is an arithmetic number, because the mean of its divisors is an integer number (13115997297).

Almost surely, 2^135385961552 is an apocalyptic number.

It is an amenable number.

135385961552 is a deficient number, since it is larger than the sum of its proper divisors (126933984388).

135385961552 is a wasteful number, since it uses less digits than its factorization.

135385961552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311150 (or 311144 counting only the distinct ones).

The product of its digits is 4860000, while the sum is 53.

The spelling of 135385961552 in words is "one hundred thirty-five billion, three hundred eighty-five million, nine hundred sixty-one thousand, five hundred fifty-two".