135445744 has 20 divisors (see below), whose sum is σ = 299915824. Its totient is φ = 58048128.

The previous prime is 135445729. The next prime is 135445757. The reversal of 135445744 is 447544531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 604557 + ... + 604780.

Almost surely, 2^135445744 is an apocalyptic number.

135445744 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

135445744 is an abundant number, since it is smaller than the sum of its proper divisors (164470080).

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

135445744 is a wasteful number, since it uses less digits than its factorization.

135445744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209352 (or 1209346 counting only the distinct ones).

The product of its digits is 134400, while the sum is 37.

The square root of 135445744 is about 11638.1159987345. The cubic root of 135445744 is about 513.5567648637.

The spelling of 135445744 in words is "one hundred thirty-five million, four hundred forty-five thousand, seven hundred forty-four".