135718512 has 20 divisors (see below), whose sum is σ = 350606280. Its totient is φ = 45239488.

The previous prime is 135718511. The next prime is 135718543. The reversal of 135718512 is 215817531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135718511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1413687 + ... + 1413782.

It is an arithmetic number, because the mean of its divisors is an integer number (17530314).

Almost surely, 2^135718512 is an apocalyptic number.

135718512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

135718512 is an abundant number, since it is smaller than the sum of its proper divisors (214887768).

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

135718512 is a wasteful number, since it uses less digits than its factorization.

135718512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2827480 (or 2827474 counting only the distinct ones).

The product of its digits is 8400, while the sum is 33.

The square root of 135718512 is about 11649.8288399444. The cubic root of 135718512 is about 513.9012765423.

The spelling of 135718512 in words is "one hundred thirty-five million, seven hundred eighteen thousand, five hundred twelve".