135620144224120 has 64 divisors (see below), whose sum is σ = 308226454826400. Its totient is φ = 53702326179840.

The previous prime is 135620144224093. The next prime is 135620144224129. The reversal of 135620144224120 is 21422441026531.

It is a super-2 number, since 2×135620144224120² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 135620144224120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135620144224129) 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, 29497069 + ... + 33783388.

Almost surely, 2^{135620144224120} is an apocalyptic number.

135620144224120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135620144224120 is an abundant number, since it is smaller than the sum of its proper divisors (172606310602280).

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

135620144224120 is a wasteful number, since it uses less digits than its factorization.

135620144224120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63281008 (or 63281004 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 37.

The spelling of 135620144224120 in words is "one hundred thirty-five trillion, six hundred twenty billion, one hundred forty-four million, two hundred twenty-four thousand, one hundred twenty".