133331414 has 16 divisors (see below), whose sum is σ = 210225888. Its totient is φ = 63298752.

The previous prime is 133331399. The next prime is 133331423. The reversal of 133331414 is 414133331.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 133331414.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4277 + ... + 16880.

It is an arithmetic number, because the mean of its divisors is an integer number (13139118).

Almost surely, 2^133331414 is an apocalyptic number.

133331414 is a deficient number, since it is larger than the sum of its proper divisors (76894474).

133331414 is a wasteful number, since it uses less digits than its factorization.

133331414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21319.

The product of its digits is 1296, while the sum is 23.

The square root of 133331414 is about 11546.9222739222. The cubic root of 133331414 is about 510.8705035785.

Adding to 133331414 its reverse (414133331), we get a palindrome (547464745).

The spelling of 133331414 in words is "one hundred thirty-three million, three hundred thirty-one thousand, four hundred fourteen".