135619345634 has 16 divisors (see below), whose sum is σ = 208127371320. Its totient is φ = 66254173440.

The previous prime is 135619345633. The next prime is 135619345637. The reversal of 135619345634 is 436543916531.

135619345634 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 124062450625 + 11556895009 = 352225^2 + 107503^2 .

It is not an unprimeable number, because it can be changed into a prime (135619345633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2628869 + ... + 2679960.

Almost surely, 2^135619345634 is an apocalyptic number.

135619345634 is a deficient number, since it is larger than the sum of its proper divisors (72508025686).

135619345634 is a wasteful number, since it uses less digits than its factorization.

135619345634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5309125.

The product of its digits is 3499200, while the sum is 50.

The spelling of 135619345634 in words is "one hundred thirty-five billion, six hundred nineteen million, three hundred forty-five thousand, six hundred thirty-four".