133814285 has 8 divisors (see below), whose sum is σ = 175175136. Its totient is φ = 97319440.

The previous prime is 133814279. The next prime is 133814287. The reversal of 133814285 is 582418331.

It is a happy number.

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

It is not a de Polignac number, because 133814285 - 2⁴ = 133814269 is a prime.

It is a super-2 number, since 2×133814285² = 35812525740122450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133814287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1216439 + ... + 1216548.

It is an arithmetic number, because the mean of its divisors is an integer number (21896892).

Almost surely, 2^133814285 is an apocalyptic number.

It is an amenable number.

133814285 is a deficient number, since it is larger than the sum of its proper divisors (41360851).

133814285 is a wasteful number, since it uses less digits than its factorization.

133814285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2433003.

The product of its digits is 23040, while the sum is 35.

The square root of 133814285 is about 11567.8124552570. The cubic root of 133814285 is about 511.4864808264.

It can be divided in two parts, 133 and 814285, that added together give a palindrome (814418).

The spelling of 133814285 in words is "one hundred thirty-three million, eight hundred fourteen thousand, two hundred eighty-five".