133406395 has 8 divisors (see below), whose sum is σ = 169504704. Its totient is φ = 100447104.

The previous prime is 133406381. The next prime is 133406401. The reversal of 133406395 is 593604331.

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

It is a cyclic number.

It is not a de Polignac number, because 133406395 - 2⁵ = 133406363 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133406395.

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, 784659 + ... + 784828.

It is an arithmetic number, because the mean of its divisors is an integer number (21188088).

Almost surely, 2^133406395 is an apocalyptic number.

133406395 is a deficient number, since it is larger than the sum of its proper divisors (36098309).

133406395 is a wasteful number, since it uses less digits than its factorization.

133406395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569509.

The product of its (nonzero) digits is 29160, while the sum is 34.

The square root of 133406395 is about 11550.1686134879. The cubic root of 133406395 is about 510.9662509641.

The spelling of 133406395 in words is "one hundred thirty-three million, four hundred six thousand, three hundred ninety-five".