133700821277 has 4 divisors (see below), whose sum is σ = 133705031040. Its totient is φ = 133696611516.

The previous prime is 133700821273. The next prime is 133700821283. The reversal of 133700821277 is 772128007331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 133700821277 - 2² = 133700821273 is a prime.

It is a super-2 number, since 2×133700821277² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133700821273) 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, 2056877 + ... + 2120882.

It is an arithmetic number, because the mean of its divisors is an integer number (33426257760).

Almost surely, 2^133700821277 is an apocalyptic number.

It is an amenable number.

133700821277 is a deficient number, since it is larger than the sum of its proper divisors (4209763).

133700821277 is an equidigital number, since it uses as much as digits as its factorization.

133700821277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4209762.

The product of its (nonzero) digits is 98784, while the sum is 41.

The spelling of 133700821277 in words is "one hundred thirty-three billion, seven hundred million, eight hundred twenty-one thousand, two hundred seventy-seven".