135143412 has 12 divisors (see below), whose sum is σ = 315334656. Its totient is φ = 45047800.

The previous prime is 135143383. The next prime is 135143429. The reversal of 135143412 is 214341531.

It is a happy number.

135143412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

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, 5630964 + ... + 5630987.

It is an arithmetic number, because the mean of its divisors is an integer number (26277888).

Almost surely, 2^135143412 is an apocalyptic number.

135143412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

135143412 is an abundant number, since it is smaller than the sum of its proper divisors (180191244).

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

135143412 is a wasteful number, since it uses less digits than its factorization.

135143412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11261958 (or 11261956 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 135143412 is about 11625.1198703497. The cubic root of 135143412 is about 513.1743723619.

Adding to 135143412 its reverse (214341531), we get a palindrome (349484943).

The spelling of 135143412 in words is "one hundred thirty-five million, one hundred forty-three thousand, four hundred twelve".