133012316657 has 16 divisors (see below), whose sum is σ = 153756662400. Its totient is φ = 113720835840.

The previous prime is 133012316609. The next prime is 133012316699. The reversal of 133012316657 is 756613210331.

It is a cyclic number.

It is not a de Polignac number, because 133012316657 - 2¹⁴ = 133012300273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133012316657.

It is not an unprimeable number, because it can be changed into a prime (133012316257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22982 + ... + 516287.

It is an arithmetic number, because the mean of its divisors is an integer number (9609791400).

Almost surely, 2^133012316657 is an apocalyptic number.

133012316657 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

133012316657 is a deficient number, since it is larger than the sum of its proper divisors (20744345743).

133012316657 is a wasteful number, since it uses less digits than its factorization.

133012316657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540616.

The product of its (nonzero) digits is 68040, while the sum is 38.

Adding to 133012316657 its reverse (756613210331), we get a palindrome (889625526988).

The spelling of 133012316657 in words is "one hundred thirty-three billion, twelve million, three hundred sixteen thousand, six hundred fifty-seven".