135550401044120 has 32 divisors (see below), whose sum is σ = 304998316027920. Its totient is φ = 54218397985920.

The previous prime is 135550401044101. The next prime is 135550401044269. The reversal of 135550401044120 is 21440104055531.

It is a happy number.

It is a super-2 number, since 2×135550401044120² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53829686 + ... + 56291525.

Almost surely, 2^{135550401044120} is an apocalyptic number.

135550401044120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135550401044120 is an abundant number, since it is smaller than the sum of its proper divisors (169447914983800).

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

135550401044120 is a wasteful number, since it uses less digits than its factorization.

135550401044120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110151995 (or 110151991 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 135550401044120 its reverse (21440104055531), we get a palindrome (156990505099651).

The spelling of 135550401044120 in words is "one hundred thirty-five trillion, five hundred fifty billion, four hundred one million, forty-four thousand, one hundred twenty".