135451406 has 8 divisors (see below), whose sum is σ = 203239704. Its totient is φ = 67704840.

The previous prime is 135451363. The next prime is 135451417. The reversal of 135451406 is 604154531.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380 + ... + 16463.

It is an arithmetic number, because the mean of its divisors is an integer number (25404963).

Almost surely, 2^135451406 is an apocalyptic number.

135451406 is a deficient number, since it is larger than the sum of its proper divisors (67788298).

135451406 is a wasteful number, since it uses less digits than its factorization.

135451406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20866.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 135451406 is about 11638.3592486226. The cubic root of 135451406 is about 513.5639207866.

The spelling of 135451406 in words is "one hundred thirty-five million, four hundred fifty-one thousand, four hundred six".