135192891667 has 2 divisors, whose sum is σ = 135192891668. Its totient is φ = 135192891666.

The previous prime is 135192891661. The next prime is 135192891761. The reversal of 135192891667 is 766198291531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135192891667 - 2²³ = 135184503059 is a prime.

It is not a weakly prime, because it can be changed into another prime (135192891661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67596445833 + 67596445834.

It is an arithmetic number, because the mean of its divisors is an integer number (67596445834).

Almost surely, 2^135192891667 is an apocalyptic number.

135192891667 is a deficient number, since it is larger than the sum of its proper divisors (1).

135192891667 is an equidigital number, since it uses as much as digits as its factorization.

135192891667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4898880, while the sum is 58.

The spelling of 135192891667 in words is "one hundred thirty-five billion, one hundred ninety-two million, eight hundred ninety-one thousand, six hundred sixty-seven".