135541745000 has 40 divisors (see below), whose sum is σ = 317574320250. Its totient is φ = 54216696000.

The previous prime is 135541744909. The next prime is 135541745023. The reversal of 135541745000 is 547145531.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 13767267556 + 121774477444 = 117334^2 + 348962^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 13549175 + ... + 13559174.

Almost surely, 2^135541745000 is an apocalyptic number.

135541745000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135541745000 is an abundant number, since it is smaller than the sum of its proper divisors (182032575250).

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

135541745000 is an equidigital number, since it uses as much as digits as its factorization.

135541745000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27108375 (or 27108356 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 35.

The spelling of 135541745000 in words is "one hundred thirty-five billion, five hundred forty-one million, seven hundred forty-five thousand".