133712780767 has 2 divisors, whose sum is σ = 133712780768. Its totient is φ = 133712780766.

The previous prime is 133712780753. The next prime is 133712780783. The reversal of 133712780767 is 767087217331.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133712780767 - 2⁷ = 133712780639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133712784767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66856390383 + 66856390384.

It is an arithmetic number, because the mean of its divisors is an integer number (66856390384).

Almost surely, 2^133712780767 is an apocalyptic number.

133712780767 is a deficient number, since it is larger than the sum of its proper divisors (1).

133712780767 is an equidigital number, since it uses as much as digits as its factorization.

133712780767 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2074464, while the sum is 52.

The spelling of 133712780767 in words is "one hundred thirty-three billion, seven hundred twelve million, seven hundred eighty thousand, seven hundred sixty-seven".