133870763464787 has 2 divisors, whose sum is σ = 133870763464788. Its totient is φ = 133870763464786.

The previous prime is 133870763464783. The next prime is 133870763464873. The reversal of 133870763464787 is 787464367078331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133870763464787 - 2² = 133870763464783 is a prime.

It is not a weakly prime, because it can be changed into another prime (133870763464783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66935381732393 + 66935381732394.

It is an arithmetic number, because the mean of its divisors is an integer number (66935381732394).

Almost surely, 2^{133870763464787} is an apocalyptic number.

133870763464787 is a deficient number, since it is larger than the sum of its proper divisors (1).

133870763464787 is an equidigital number, since it uses as much as digits as its factorization.

133870763464787 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2389782528, while the sum is 74.

The spelling of 133870763464787 in words is "one hundred thirty-three trillion, eight hundred seventy billion, seven hundred sixty-three million, four hundred sixty-four thousand, seven hundred eighty-seven".