135603223635 has 32 divisors (see below), whose sum is σ = 237722906880. Its totient is φ = 65459894400.

The previous prime is 135603223633. The next prime is 135603223643. The reversal of 135603223635 is 536322306531.

It is a happy number.

It is not a de Polignac number, because 135603223635 - 2¹ = 135603223633 is a prime.

It is a super-2 number, since 2×135603223635² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 135603223593 and 135603223602.

It is not an unprimeable number, because it can be changed into a prime (135603223631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1756621 + ... + 1832190.

It is an arithmetic number, because the mean of its divisors is an integer number (7428840840).

Almost surely, 2^135603223635 is an apocalyptic number.

135603223635 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135603223635 is a deficient number, since it is larger than the sum of its proper divisors (102119683245).

135603223635 is a wasteful number, since it uses less digits than its factorization.

135603223635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3589059.

The product of its (nonzero) digits is 291600, while the sum is 39.

The spelling of 135603223635 in words is "one hundred thirty-five billion, six hundred three million, two hundred twenty-three thousand, six hundred thirty-five".