135400012 has 12 divisors (see below), whose sum is σ = 258491016. Its totient is φ = 61545440.

The previous prime is 135399961. The next prime is 135400021. The reversal of 135400012 is 210004531.

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, 1538593 + ... + 1538680.

It is an arithmetic number, because the mean of its divisors is an integer number (21540918).

Almost surely, 2^135400012 is an apocalyptic number.

It is an amenable number.

135400012 is a deficient number, since it is larger than the sum of its proper divisors (123091004).

135400012 is a wasteful number, since it uses less digits than its factorization.

135400012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3077288 (or 3077286 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 135400012 is about 11636.1510818655. The cubic root of 135400012 is about 513.4989591302.

Adding to 135400012 its reverse (210004531), we get a palindrome (345404543).

The spelling of 135400012 in words is "one hundred thirty-five million, four hundred thousand, twelve".