133515214 has 32 divisors (see below), whose sum is σ = 235699200. Its totient is φ = 55542240.

The previous prime is 133515163. The next prime is 133515241. The reversal of 133515214 is 412515331.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66477 + ... + 68455.

It is an arithmetic number, because the mean of its divisors is an integer number (7365600).

Almost surely, 2^133515214 is an apocalyptic number.

133515214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

133515214 is a deficient number, since it is larger than the sum of its proper divisors (102183986).

133515214 is a wasteful number, since it uses less digits than its factorization.

133515214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2128.

The product of its digits is 1800, while the sum is 25.

The square root of 133515214 is about 11554.8783637042. The cubic root of 133515214 is about 511.1051441682.

The spelling of 133515214 in words is "one hundred thirty-three million, five hundred fifteen thousand, two hundred fourteen".