135545512380 has 48 divisors (see below), whose sum is σ = 385749206304. Its totient is φ = 35552920320.

The previous prime is 135545512379. The next prime is 135545512397. The reversal of 135545512380 is 83215545531.

It is a super-5 number, since 5×135545512380⁵ (a number of 57 digits) contains 55555 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18513487 + ... + 18520806.

It is an arithmetic number, because the mean of its divisors is an integer number (8036441798).

Almost surely, 2^135545512380 is an apocalyptic number.

135545512380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135545512380 is an abundant number, since it is smaller than the sum of its proper divisors (250203693924).

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

135545512380 is a wasteful number, since it uses less digits than its factorization.

135545512380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37034366 (or 37034364 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 42.

The spelling of 135545512380 in words is "one hundred thirty-five billion, five hundred forty-five million, five hundred twelve thousand, three hundred eighty".