133955113 has 2 divisors, whose sum is σ = 133955114. Its totient is φ = 133955112.

The previous prime is 133955093. The next prime is 133955131. The reversal of 133955113 is 311559331.

Together with next prime (133955131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73068304 + 60886809 = 8548^2 + 7803^2 .

It is a cyclic number.

It is not a de Polignac number, because 133955113 - 2¹³ = 133946921 is a prime.

It is not a weakly prime, because it can be changed into another prime (133955513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66977556 + 66977557.

It is an arithmetic number, because the mean of its divisors is an integer number (66977557).

Almost surely, 2^133955113 is an apocalyptic number.

It is an amenable number.

133955113 is a deficient number, since it is larger than the sum of its proper divisors (1).

133955113 is an equidigital number, since it uses as much as digits as its factorization.

133955113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6075, while the sum is 31.

The square root of 133955113 is about 11573.8979172965. The cubic root of 133955113 is about 511.6658497277.

The spelling of 133955113 in words is "one hundred thirty-three million, nine hundred fifty-five thousand, one hundred thirteen".