133677081861 has 8 divisors (see below), whose sum is σ = 183985661184. Its totient is φ = 86243278560.

The previous prime is 133677081847. The next prime is 133677081883. The reversal of 133677081861 is 168180776331.

It is a happy number.

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

It is not a de Polignac number, because 133677081861 - 2²⁶ = 133609972997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133677081841) 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, 718693896 + ... + 718694081.

It is an arithmetic number, because the mean of its divisors is an integer number (22998207648).

Almost surely, 2^133677081861 is an apocalyptic number.

It is an amenable number.

133677081861 is a deficient number, since it is larger than the sum of its proper divisors (50308579323).

133677081861 is a wasteful number, since it uses less digits than its factorization.

133677081861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1437388011.

The product of its (nonzero) digits is 1016064, while the sum is 51.

The spelling of 133677081861 in words is "one hundred thirty-three billion, six hundred seventy-seven million, eighty-one thousand, eight hundred sixty-one".