133597741 has 2 divisors, whose sum is σ = 133597742. Its totient is φ = 133597740.

The previous prime is 133597727. The next prime is 133597813. The reversal of 133597741 is 147795331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99082116 + 34515625 = 9954^2 + 5875^2 .

It is a cyclic number.

It is not a de Polignac number, because 133597741 - 2⁷ = 133597613 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 133597694 and 133597703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133597241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66798870 + 66798871.

It is an arithmetic number, because the mean of its divisors is an integer number (66798871).

Almost surely, 2^133597741 is an apocalyptic number.

It is an amenable number.

133597741 is a deficient number, since it is larger than the sum of its proper divisors (1).

133597741 is an equidigital number, since it uses as much as digits as its factorization.

133597741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 79380, while the sum is 40.

The square root of 133597741 is about 11558.4489011286. The cubic root of 133597741 is about 511.2104287655.

The spelling of 133597741 in words is "one hundred thirty-three million, five hundred ninety-seven thousand, seven hundred forty-one".