133898606898331 has 24 divisors (see below), whose sum is σ = 153582088181760. Its totient is φ = 116429594379120.

The previous prime is 133898606898313. The next prime is 133898606898361.

133898606898331 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 133898606898331 - 2⁹ = 133898606897819 is a prime.

It is a super-2 number, since 2×133898606898331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133898606898311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82179526 + ... + 83793028.

It is an arithmetic number, because the mean of its divisors is an integer number (6399253674240).

Almost surely, 2^{133898606898331} is an apocalyptic number.

133898606898331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

133898606898331 is a deficient number, since it is larger than the sum of its proper divisors (19683481283429).

133898606898331 is a wasteful number, since it uses less digits than its factorization.

133898606898331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643367 (or 1643356 counting only the distinct ones).

The product of its (nonzero) digits is 967458816, while the sum is 76.

The spelling of 133898606898331 in words is "one hundred thirty-three trillion, eight hundred ninety-eight billion, six hundred six million, eight hundred ninety-eight thousand, three hundred thirty-one".