135722570816 has 168 divisors, whose sum is σ = 316327389696. Its totient is φ = 57607173120.

The previous prime is 135722570783. The next prime is 135722570833. The reversal of 135722570816 is 618075227531.

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, 207844346 + ... + 207844998.

Almost surely, 2^135722570816 is an apocalyptic number.

135722570816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135722570816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158163694848).

135722570816 is an abundant number, since it is smaller than the sum of its proper divisors (180604818880).

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

135722570816 is a wasteful number, since it uses less digits than its factorization.

135722570816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217 (or 1200 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 47.

The spelling of 135722570816 in words is "one hundred thirty-five billion, seven hundred twenty-two million, five hundred seventy thousand, eight hundred sixteen".