133980659 has 2 divisors, whose sum is σ = 133980660. Its totient is φ = 133980658.

The previous prime is 133980607. The next prime is 133980683. The reversal of 133980659 is 956089331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133980659 - 2¹⁶ = 133915123 is a prime.

It is equal to p_7590896 and since 133980659 and 7590896 have the same sum of digits, it is a Honaker prime.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (133980059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66990329 + 66990330.

It is an arithmetic number, because the mean of its divisors is an integer number (66990330).

Almost surely, 2^133980659 is an apocalyptic number.

133980659 is a deficient number, since it is larger than the sum of its proper divisors (1).

133980659 is an equidigital number, since it uses as much as digits as its factorization.

133980659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 133980659 is about 11575.0014686824. The cubic root of 133980659 is about 511.6983735204.

The spelling of 133980659 in words is "one hundred thirty-three million, nine hundred eighty thousand, six hundred fifty-nine".