133186013516 has 12 divisors (see below), whose sum is σ = 236554263288. Its totient is φ = 65599081152.

The previous prime is 133186013491. The next prime is 133186013539. The reversal of 133186013516 is 615310681331.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 133186013516.

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, 248481101 + ... + 248481636.

It is an arithmetic number, because the mean of its divisors is an integer number (19712855274).

Almost surely, 2^133186013516 is an apocalyptic number.

It is an amenable number.

133186013516 is a deficient number, since it is larger than the sum of its proper divisors (103368249772).

133186013516 is a wasteful number, since it uses less digits than its factorization.

133186013516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496962808 (or 496962806 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

Adding to 133186013516 its reverse (615310681331), we get a palindrome (748496694847).

The spelling of 133186013516 in words is "one hundred thirty-three billion, one hundred eighty-six million, thirteen thousand, five hundred sixteen".