133825871697 has 8 divisors (see below), whose sum is σ = 203925137856. Its totient is φ = 76471926672.

The previous prime is 133825871681. The next prime is 133825871713. The reversal of 133825871697 is 796178528331.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (133825871681) and next prime (133825871713).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133825871697 - 2⁴ = 133825871681 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133825871697.

It is not an unprimeable number, because it can be changed into a prime (133825871677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3186330258 + ... + 3186330299.

It is an arithmetic number, because the mean of its divisors is an integer number (25490642232).

Almost surely, 2^133825871697 is an apocalyptic number.

It is an amenable number.

133825871697 is a deficient number, since it is larger than the sum of its proper divisors (70099266159).

133825871697 is an equidigital number, since it uses as much as digits as its factorization.

133825871697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6372660567.

The product of its digits is 15240960, while the sum is 60.

The spelling of 133825871697 in words is "one hundred thirty-three billion, eight hundred twenty-five million, eight hundred seventy-one thousand, six hundred ninety-seven".