135603164420 has 48 divisors (see below), whose sum is σ = 285548357808. Its totient is φ = 54092574720.

The previous prime is 135603164419. The next prime is 135603164441. The reversal of 135603164420 is 24461306531.

It can be written as a sum of positive squares in 8 ways, for example, as 22889874436 + 112713289984 = 151294^2 + 335728^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11972360 + ... + 11983680.

It is an arithmetic number, because the mean of its divisors is an integer number (5948924121).

Almost surely, 2^135603164420 is an apocalyptic number.

135603164420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135603164420 is an abundant number, since it is smaller than the sum of its proper divisors (149945193388).

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

135603164420 is a wasteful number, since it uses less digits than its factorization.

135603164420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12920 (or 12918 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 135603164420 in words is "one hundred thirty-five billion, six hundred three million, one hundred sixty-four thousand, four hundred twenty".