133409395 has 16 divisors (see below), whose sum is σ = 185695488. Its totient is φ = 90113760.

The previous prime is 133409389. The next prime is 133409417. The reversal of 133409395 is 593904331.

It is not a de Polignac number, because 133409395 - 2⁹ = 133408883 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26101 + ... + 30790.

It is an arithmetic number, because the mean of its divisors is an integer number (11605968).

Almost surely, 2^133409395 is an apocalyptic number.

133409395 is a deficient number, since it is larger than the sum of its proper divisors (52286093).

133409395 is an equidigital number, since it uses as much as digits as its factorization.

133409395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56970.

The product of its (nonzero) digits is 43740, while the sum is 37.

The square root of 133409395 is about 11550.2984809917. The cubic root of 133409395 is about 510.9700810835.

The spelling of 133409395 in words is "one hundred thirty-three million, four hundred nine thousand, three hundred ninety-five".