140352123421550 has 24 divisors (see below), whose sum is σ = 261165989744352. Its totient is φ = 56116969760000.

The previous prime is 140352123421519. The next prime is 140352123421553. The reversal of 140352123421550 is 55124321253041.

140352123421550 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140352123421553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 596871491 + ... + 597106590.

It is an arithmetic number, because the mean of its divisors is an integer number (10881916239348).

Almost surely, 2^{140352123421550} is an apocalyptic number.

140352123421550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140352123421550 is a deficient number, since it is larger than the sum of its proper divisors (120813866322802).

140352123421550 is a wasteful number, since it uses less digits than its factorization.

140352123421550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193980444 (or 1193980439 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 140352123421550 its reverse (55124321253041), we get a palindrome (195476444674591).

The spelling of 140352123421550 in words is "one hundred forty trillion, three hundred fifty-two billion, one hundred twenty-three million, four hundred twenty-one thousand, five hundred fifty".