140554238161920 has 352 divisors, whose sum is σ = 498462236125056. Its totient is φ = 33515166105600.

The previous prime is 140554238161847. The next prime is 140554238161963. The reversal of 140554238161920 is 29161832455041.

140554238161920 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (352).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3487882 + ... + 17125238.

Almost surely, 2^{140554238161920} is an apocalyptic number.

140554238161920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140554238161920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249231118062528).

140554238161920 is an abundant number, since it is smaller than the sum of its proper divisors (357907997963136).

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

140554238161920 is a wasteful number, since it uses less digits than its factorization.

140554238161920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13637457 (or 13637439 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 51.

The spelling of 140554238161920 in words is "one hundred forty trillion, five hundred fifty-four billion, two hundred thirty-eight million, one hundred sixty-one thousand, nine hundred twenty".