133212395 has 16 divisors (see below), whose sum is σ = 164962560. Its totient is φ = 103192704.

The previous prime is 133212319. The next prime is 133212397. The reversal of 133212395 is 593212331.

It is a de Polignac number, because none of the positive numbers 2^k-133212395 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133212397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39641 + ... + 42869.

It is an arithmetic number, because the mean of its divisors is an integer number (10310160).

Almost surely, 2^133212395 is an apocalyptic number.

133212395 is a deficient number, since it is larger than the sum of its proper divisors (31750165).

133212395 is a wasteful number, since it uses less digits than its factorization.

133212395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3494.

The product of its digits is 4860, while the sum is 29.

The square root of 133212395 is about 11541.7674123160. The cubic root of 133212395 is about 510.7184478958.

The spelling of 133212395 in words is "one hundred thirty-three million, two hundred twelve thousand, three hundred ninety-five".