135217798386 has 24 divisors (see below), whose sum is σ = 297255657552. Its totient is φ = 40975090200.

The previous prime is 135217798361. The next prime is 135217798421. The reversal of 135217798386 is 683897712531.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93124480 + ... + 93125931.

It is an arithmetic number, because the mean of its divisors is an integer number (12385652398).

Almost surely, 2^135217798386 is an apocalyptic number.

135217798386 is an abundant number, since it is smaller than the sum of its proper divisors (162037859166).

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

135217798386 is a wasteful number, since it uses less digits than its factorization.

135217798386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186250438 (or 186250427 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 60.

The spelling of 135217798386 in words is "one hundred thirty-five billion, two hundred seventeen million, seven hundred ninety-eight thousand, three hundred eighty-six".