133677375253 has 4 divisors (see below), whose sum is σ = 134197520940. Its totient is φ = 133157229568.

The previous prime is 133677375229. The next prime is 133677375257. The reversal of 133677375253 is 352573776331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 131912787204 + 1764588049 = 363198^2 + 42007^2 .

It is a cyclic number.

It is not a de Polignac number, because 133677375253 - 2⁹ = 133677374741 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133677375253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133677375257) 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, 260072458 + ... + 260072971.

It is an arithmetic number, because the mean of its divisors is an integer number (33549380235).

Almost surely, 2^133677375253 is an apocalyptic number.

It is an amenable number.

133677375253 is a deficient number, since it is larger than the sum of its proper divisors (520145687).

133677375253 is an equidigital number, since it uses as much as digits as its factorization.

133677375253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520145686.

The product of its digits is 8334900, while the sum is 52.

The spelling of 133677375253 in words is "one hundred thirty-three billion, six hundred seventy-seven million, three hundred seventy-five thousand, two hundred fifty-three".