133760791 has 2 divisors, whose sum is σ = 133760792. Its totient is φ = 133760790.

The previous prime is 133760761. The next prime is 133760827. The reversal of 133760791 is 197067331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133760791 - 2⁹ = 133760279 is a prime.

It is the 11566-th Hogben number.

It is a self number, because there is not a number n which added to its sum of digits gives 133760791.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133760761) by changing a digit.

It is a nontrivial repunit in base 11565.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66880395 + 66880396.

It is an arithmetic number, because the mean of its divisors is an integer number (66880396).

Almost surely, 2^133760791 is an apocalyptic number.

133760791 is a deficient number, since it is larger than the sum of its proper divisors (1).

133760791 is an equidigital number, since it uses as much as digits as its factorization.

133760791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23814, while the sum is 37.

The square root of 133760791 is about 11565.5000324240. The cubic root of 133760791 is about 511.4183139520.

It can be divided in two parts, 1337 and 60791, that added together give a triangular number (62128 = T₃₅₂).

The spelling of 133760791 in words is "one hundred thirty-three million, seven hundred sixty thousand, seven hundred ninety-one".