133677420671 has 12 divisors (see below), whose sum is σ = 135492303744. Its totient is φ = 131886518400.

The previous prime is 133677420649. The next prime is 133677420673. The reversal of 133677420671 is 176024776331.

It is not a de Polignac number, because 133677420671 - 2⁶ = 133677420607 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 (133677420673) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9173231 + ... + 9187791.

It is an arithmetic number, because the mean of its divisors is an integer number (11291025312).

Almost surely, 2^133677420671 is an apocalyptic number.

133677420671 is a deficient number, since it is larger than the sum of its proper divisors (1814883073).

133677420671 is an equidigital number, since it uses as much as digits as its factorization.

133677420671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16190 (or 16111 counting only the distinct ones).

The product of its (nonzero) digits is 889056, while the sum is 47.

The spelling of 133677420671 in words is "one hundred thirty-three billion, six hundred seventy-seven million, four hundred twenty thousand, six hundred seventy-one".