133213294 has 8 divisors (see below), whose sum is σ = 210336840. Its totient is φ = 63101016.

The previous prime is 133213277. The next prime is 133213337. The reversal of 133213294 is 492312331.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1752769 + ... + 1752844.

It is an arithmetic number, because the mean of its divisors is an integer number (26292105).

Almost surely, 2^133213294 is an apocalyptic number.

133213294 is a deficient number, since it is larger than the sum of its proper divisors (77123546).

133213294 is a wasteful number, since it uses less digits than its factorization.

133213294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3505634.

The product of its digits is 3888, while the sum is 28.

The square root of 133213294 is about 11541.8063577587. The cubic root of 133213294 is about 510.7195967750.

The spelling of 133213294 in words is "one hundred thirty-three million, two hundred thirteen thousand, two hundred ninety-four".