135559116634 has 4 divisors (see below), whose sum is σ = 203338674954. Its totient is φ = 67779558316.

The previous prime is 135559116619. The next prime is 135559116653. The reversal of 135559116634 is 436611955531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 436611955531 = 355127 ⋅1229453.

It can be written as a sum of positive squares in only one way, i.e., 70541766409 + 65017350225 = 265597^2 + 254985^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33889779157 + ... + 33889779160.

Almost surely, 2^135559116634 is an apocalyptic number.

135559116634 is a deficient number, since it is larger than the sum of its proper divisors (67779558320).

135559116634 is an equidigital number, since it uses as much as digits as its factorization.

135559116634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67779558319.

The product of its digits is 1458000, while the sum is 49.

The spelling of 135559116634 in words is "one hundred thirty-five billion, five hundred fifty-nine million, one hundred sixteen thousand, six hundred thirty-four".