133951117 has 2 divisors, whose sum is σ = 133951118. Its totient is φ = 133951116.

The previous prime is 133951099. The next prime is 133951123. The reversal of 133951117 is 711159331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130439241 + 3511876 = 11421^2 + 1874^2 .

It is a cyclic number.

It is not a de Polignac number, because 133951117 - 2²³ = 125562509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133951187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66975558 + 66975559.

It is an arithmetic number, because the mean of its divisors is an integer number (66975559).

Almost surely, 2^133951117 is an apocalyptic number.

It is an amenable number.

133951117 is a deficient number, since it is larger than the sum of its proper divisors (1).

133951117 is an equidigital number, since it uses as much as digits as its factorization.

133951117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2835, while the sum is 31.

The square root of 133951117 is about 11573.7252861816. The cubic root of 133951117 is about 511.6607618615.

The spelling of 133951117 in words is "one hundred thirty-three million, nine hundred fifty-one thousand, one hundred seventeen".