135574567440 has 160 divisors (see below), whose sum is σ = 453721376640. Its totient is φ = 33290293248.

The previous prime is 135574567421. The next prime is 135574567451. The reversal of 135574567440 is 44765475531.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1222959 + ... + 1329201.

It is an arithmetic number, because the mean of its divisors is an integer number (2835758604).

Almost surely, 2^135574567440 is an apocalyptic number.

135574567440 is a gapful number since it is divisible by the number (10) 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 135574567440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226860688320).

135574567440 is an abundant number, since it is smaller than the sum of its proper divisors (318146809200).

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

135574567440 is a wasteful number, since it uses less digits than its factorization.

135574567440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106681 (or 106675 counting only the distinct ones).

The product of its (nonzero) digits is 7056000, while the sum is 51.

The spelling of 135574567440 in words is "one hundred thirty-five billion, five hundred seventy-four million, five hundred sixty-seven thousand, four hundred forty".