135619036 has 36 divisors (see below), whose sum is σ = 286286448. Its totient is φ = 55059264.

The previous prime is 135619031. The next prime is 135619039. The reversal of 135619036 is 630916531.

135619036 = 424² + 425² + ... + 784².

It is a junction number, because it is equal to n+sod(n) for n = 135618992 and 135619010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135619031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3400 + ... + 16816.

Almost surely, 2^135619036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135619036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143143224).

135619036 is an abundant number, since it is smaller than the sum of its proper divisors (150667412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135619036 is a wasteful number, since it uses less digits than its factorization.

135619036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13466 (or 13445 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 135619036 is about 11645.5586383823. The cubic root of 135619036 is about 513.7756897978.

The spelling of 135619036 in words is "one hundred thirty-five million, six hundred nineteen thousand, thirty-six".