133651417 has 2 divisors, whose sum is σ = 133651418. Its totient is φ = 133651416.

The previous prime is 133651403. The next prime is 133651421. The reversal of 133651417 is 714156331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95570176 + 38081241 = 9776^2 + 6171^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133651417 is a prime.

It is a super-2 number, since 2×133651417² = 35725402532215778, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (133651457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66825708 + 66825709.

It is an arithmetic number, because the mean of its divisors is an integer number (66825709).

Almost surely, 2^133651417 is an apocalyptic number.

It is an amenable number.

133651417 is a deficient number, since it is larger than the sum of its proper divisors (1).

133651417 is an equidigital number, since it uses as much as digits as its factorization.

133651417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 31.

The square root of 133651417 is about 11560.7706058031. The cubic root of 133651417 is about 511.2788831589.

The spelling of 133651417 in words is "one hundred thirty-three million, six hundred fifty-one thousand, four hundred seventeen".