135212534850 has 48 divisors (see below), whose sum is σ = 338461024608. Its totient is φ = 35719693440.

The previous prime is 135212534827. The next prime is 135212534903. The reversal of 135212534850 is 58435212531.

It is a junction number, because it is equal to n+sod(n) for n = 135212534799 and 135212534808.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4196179 + ... + 4228278.

It is an arithmetic number, because the mean of its divisors is an integer number (7051271346).

Almost surely, 2^135212534850 is an apocalyptic number.

135212534850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135212534850 is an abundant number, since it is smaller than the sum of its proper divisors (203248489758).

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

135212534850 is a wasteful number, since it uses less digits than its factorization.

135212534850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8424579 (or 8424574 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 39.

The spelling of 135212534850 in words is "one hundred thirty-five billion, two hundred twelve million, five hundred thirty-four thousand, eight hundred fifty".