133671877427 has 8 divisors (see below), whose sum is σ = 146064110592. Its totient is φ = 121319685000.

The previous prime is 133671877403. The next prime is 133671877439. The reversal of 133671877427 is 724778176331.

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

It is a cyclic number.

It is not a de Polignac number, because 133671877427 - 2¹⁶ = 133671811891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133671877627) 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, 10003199 + ... + 10016552.

It is an arithmetic number, because the mean of its divisors is an integer number (18258013824).

Almost surely, 2^133671877427 is an apocalyptic number.

133671877427 is a deficient number, since it is larger than the sum of its proper divisors (12392233165).

133671877427 is a wasteful number, since it uses less digits than its factorization.

133671877427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20020369.

The product of its digits is 8297856, while the sum is 56.

The spelling of 133671877427 in words is "one hundred thirty-three billion, six hundred seventy-one million, eight hundred seventy-seven thousand, four hundred twenty-seven".