120355342402140 has 144 divisors (see below), whose sum is σ = 365487001117056. Its totient is φ = 32058810854400.

The previous prime is 120355342402129. The next prime is 120355342402157. The reversal of 120355342402140 is 41204243553021.

It is a happy number.

120355342402140 is a `hidden beast` number, since 1 + 2 + 0 + 3 + 553 + 4 + 2 + 40 + 21 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 120355342402095 and 120355342402104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 579494554 + ... + 579702206.

It is an arithmetic number, because the mean of its divisors is an integer number (2538104174424).

Almost surely, 2^{120355342402140} is an apocalyptic number.

120355342402140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120355342402140 is an abundant number, since it is smaller than the sum of its proper divisors (245131658714916).

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

120355342402140 is a wasteful number, since it uses less digits than its factorization.

120355342402140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211260 (or 211255 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 120355342402140 its reverse (41204243553021), we get a palindrome (161559585955161).

The spelling of 120355342402140 in words is "one hundred twenty trillion, three hundred fifty-five billion, three hundred forty-two million, four hundred two thousand, one hundred forty".