135446132291 has 2 divisors, whose sum is σ = 135446132292. Its totient is φ = 135446132290.

The previous prime is 135446132273. The next prime is 135446132317. The reversal of 135446132291 is 192231644531.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135446132291 - 2¹⁴ = 135446115907 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (135446132251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67723066145 + 67723066146.

It is an arithmetic number, because the mean of its divisors is an integer number (67723066146).

Almost surely, 2^135446132291 is an apocalyptic number.

135446132291 is a deficient number, since it is larger than the sum of its proper divisors (1).

135446132291 is an equidigital number, since it uses as much as digits as its factorization.

135446132291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 41.

The spelling of 135446132291 in words is "one hundred thirty-five billion, four hundred forty-six million, one hundred thirty-two thousand, two hundred ninety-one".