135849025492 has 12 divisors (see below), whose sum is σ = 237850712820. Its totient is φ = 67891678976.

The previous prime is 135849025463. The next prime is 135849025511. The reversal of 135849025492 is 294520948531.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 57008247696 + 78840777796 = 238764^2 + 280786^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 8199133 + ... + 8215684.

It is an arithmetic number, because the mean of its divisors is an integer number (19820892735).

Almost surely, 2^135849025492 is an apocalyptic number.

It is an amenable number.

135849025492 is a deficient number, since it is larger than the sum of its proper divisors (102001687328).

135849025492 is a wasteful number, since it uses less digits than its factorization.

135849025492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16416890 (or 16416888 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 52.

The spelling of 135849025492 in words is "one hundred thirty-five billion, eight hundred forty-nine million, twenty-five thousand, four hundred ninety-two".