133685733701 has 4 divisors (see below), whose sum is σ = 143969251692. Its totient is φ = 123402215712.

The previous prime is 133685733697. The next prime is 133685733703. The reversal of 133685733701 is 107337586331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 107337586331 = 19 ⋅5649346649.

It can be written as a sum of positive squares in 2 ways, for example, as 7199522500 + 126486211201 = 84850^2 + 355649^2 .

It is a cyclic number.

It is not a de Polignac number, because 133685733701 - 2² = 133685733697 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133685733703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5141758976 + ... + 5141759001.

It is an arithmetic number, because the mean of its divisors is an integer number (35992312923).

Almost surely, 2^133685733701 is an apocalyptic number.

It is an amenable number.

133685733701 is a deficient number, since it is larger than the sum of its proper divisors (10283517991).

133685733701 is a wasteful number, since it uses less digits than its factorization.

133685733701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10283517990.

The product of its (nonzero) digits is 952560, while the sum is 47.

The spelling of 133685733701 in words is "one hundred thirty-three billion, six hundred eighty-five million, seven hundred thirty-three thousand, seven hundred one".