135106643633 has 16 divisors (see below), whose sum is σ = 152611307520. Its totient is φ = 118761391296.

The previous prime is 135106643629. The next prime is 135106643647. The reversal of 135106643633 is 336346601531.

It is a cyclic number.

It is not a de Polignac number, because 135106643633 - 2² = 135106643629 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135106643603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2965553 + ... + 3010766.

It is an arithmetic number, because the mean of its divisors is an integer number (9538206720).

Almost surely, 2^135106643633 is an apocalyptic number.

135106643633 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

135106643633 is a deficient number, since it is larger than the sum of its proper divisors (17504663887).

135106643633 is a wasteful number, since it uses less digits than its factorization.

135106643633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5976416.

The product of its (nonzero) digits is 349920, while the sum is 41.

The spelling of 135106643633 in words is "one hundred thirty-five billion, one hundred six million, six hundred forty-three thousand, six hundred thirty-three".