135451206 has 48 divisors (see below), whose sum is σ = 338998608. Its totient is φ = 38630400.

The previous prime is 135451181. The next prime is 135451213. The reversal of 135451206 is 602154531.

135451206 is a `hidden beast` number, since 1 + 3 + 5 + 451 + 206 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 135451206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16755 + ... + 23486.

It is an arithmetic number, because the mean of its divisors is an integer number (7062471).

Almost surely, 2^135451206 is an apocalyptic number.

135451206 is an abundant number, since it is smaller than the sum of its proper divisors (203547402).

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

135451206 is a wasteful number, since it uses less digits than its factorization.

135451206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40277 (or 40274 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 135451206 is about 11638.3506563430. The cubic root of 135451206 is about 513.5636680198.

The spelling of 135451206 in words is "one hundred thirty-five million, four hundred fifty-one thousand, two hundred six".