135440126 has 8 divisors (see below), whose sum is σ = 203363784. Its totient is φ = 67652200.

The previous prime is 135440117. The next prime is 135440141. The reversal of 135440126 is 621044531.

135440126 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 135440095 and 135440104.

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, 31400 + ... + 35451.

It is an arithmetic number, because the mean of its divisors is an integer number (25420473).

Almost surely, 2^135440126 is an apocalyptic number.

135440126 is a deficient number, since it is larger than the sum of its proper divisors (67923658).

135440126 is a wasteful number, since it uses less digits than its factorization.

135440126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67866.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 135440126 is about 11637.8746341418. The cubic root of 135440126 is about 513.5496643532.

Adding to 135440126 its reverse (621044531), we get a palindrome (756484657).

The spelling of 135440126 in words is "one hundred thirty-five million, four hundred forty thousand, one hundred twenty-six".