133672286 has 8 divisors (see below), whose sum is σ = 218736504. Its totient is φ = 60760120.

The previous prime is 133672283. The next prime is 133672349. The reversal of 133672286 is 682276331.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133672283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3037985 + ... + 3038028.

It is an arithmetic number, because the mean of its divisors is an integer number (27342063).

Almost surely, 2^133672286 is an apocalyptic number.

133672286 is a deficient number, since it is larger than the sum of its proper divisors (85064218).

133672286 is a wasteful number, since it uses less digits than its factorization.

133672286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6076026.

The product of its digits is 72576, while the sum is 38.

The square root of 133672286 is about 11561.6731488137. The cubic root of 133672286 is about 511.3054929870.

The spelling of 133672286 in words is "one hundred thirty-three million, six hundred seventy-two thousand, two hundred eighty-six".