133851951297 has 6 divisors (see below), whose sum is σ = 193341707442. Its totient is φ = 89234634192.

The previous prime is 133851951287. The next prime is 133851951313. The reversal of 133851951297 is 792159158331.

133851951297 is a `hidden beast` number, since 1 + 3 + 38 + 5 + 1 + 9 + 512 + 97 = 666.

It can be written as a sum of positive squares in only one way, i.e., 132285691521 + 1566259776 = 363711^2 + 39576^2 .

It is not a de Polignac number, because 133851951297 - 2⁸ = 133851951041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133851951227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7436219508 + ... + 7436219525.

It is an arithmetic number, because the mean of its divisors is an integer number (32223617907).

Almost surely, 2^133851951297 is an apocalyptic number.

It is an amenable number.

133851951297 is a deficient number, since it is larger than the sum of its proper divisors (59489756145).

133851951297 is a wasteful number, since it uses less digits than its factorization.

133851951297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14872439039 (or 14872439036 counting only the distinct ones).

The product of its digits is 2041200, while the sum is 54.

The spelling of 133851951297 in words is "one hundred thirty-three billion, eight hundred fifty-one million, nine hundred fifty-one thousand, two hundred ninety-seven".