135540006 has 16 divisors (see below), whose sum is σ = 309805824. Its totient is φ = 38725704.

The previous prime is 135539981. The next prime is 135540011. The reversal of 135540006 is 600045531.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1613530 + ... + 1613613.

It is an arithmetic number, because the mean of its divisors is an integer number (19362864).

Almost surely, 2^135540006 is an apocalyptic number.

135540006 is an abundant number, since it is smaller than the sum of its proper divisors (174265818).

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

135540006 is a wasteful number, since it uses less digits than its factorization.

135540006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3227155.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 135540006 is about 11642.1650048434. The cubic root of 135540006 is about 513.6758719955.

Adding to 135540006 its reverse (600045531), we get a palindrome (735585537).

The spelling of 135540006 in words is "one hundred thirty-five million, five hundred forty thousand, six".