133486879 has 2 divisors, whose sum is σ = 133486880. Its totient is φ = 133486878.

The previous prime is 133486877. The next prime is 133486901. The reversal of 133486879 is 978684331.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133486879 - 2¹ = 133486877 is a prime.

Together with 133486877, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133486877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66743439 + 66743440.

It is an arithmetic number, because the mean of its divisors is an integer number (66743440).

Almost surely, 2^133486879 is an apocalyptic number.

133486879 is a deficient number, since it is larger than the sum of its proper divisors (1).

133486879 is an equidigital number, since it uses as much as digits as its factorization.

133486879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 49.

The square root of 133486879 is about 11553.6521931379. The cubic root of 133486879 is about 511.0689855203.

The spelling of 133486879 in words is "one hundred thirty-three million, four hundred eighty-six thousand, eight hundred seventy-nine".