135720775470 has 64 divisors (see below), whose sum is σ = 372326929920. Its totient is φ = 31016539008.

The previous prime is 135720775451. The next prime is 135720775483. The reversal of 135720775470 is 74577027531.

It is a super-3 number, since 3×135720775470³ (a number of 34 digits) contains 333 as substring.

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 31 ways as a sum of consecutive naturals, for example, 1235241 + ... + 1340619.

It is an arithmetic number, because the mean of its divisors is an integer number (5817608280).

Almost surely, 2^135720775470 is an apocalyptic number.

135720775470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135720775470 is an abundant number, since it is smaller than the sum of its proper divisors (236606154450).

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

135720775470 is a wasteful number, since it uses less digits than its factorization.

135720775470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111529.

The product of its (nonzero) digits is 1440600, while the sum is 48.

The spelling of 135720775470 in words is "one hundred thirty-five billion, seven hundred twenty million, seven hundred seventy-five thousand, four hundred seventy".