133913959 has 2 divisors, whose sum is σ = 133913960. Its totient is φ = 133913958.

The previous prime is 133913929. The next prime is 133913993. The reversal of 133913959 is 959319331.

It is a weak prime.

It is an emirp because it is prime and its reverse (959319331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133913959 - 2¹³ = 133905767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133913929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66956979 + 66956980.

It is an arithmetic number, because the mean of its divisors is an integer number (66956980).

Almost surely, 2^133913959 is an apocalyptic number.

133913959 is a deficient number, since it is larger than the sum of its proper divisors (1).

133913959 is an equidigital number, since it uses as much as digits as its factorization.

133913959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 98415, while the sum is 43.

The square root of 133913959 is about 11572.1199008652. The cubic root of 133913959 is about 511.6134459718.

The spelling of 133913959 in words is "one hundred thirty-three million, nine hundred thirteen thousand, nine hundred fifty-nine".