140214421546 has 8 divisors (see below), whose sum is σ = 210372215040. Its totient is φ = 70090349868.

The previous prime is 140214421541. The next prime is 140214421561. The reversal of 140214421546 is 645124412041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (140214421541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8420056 + ... + 8436691.

It is an arithmetic number, because the mean of its divisors is an integer number (26296526880).

Almost surely, 2^140214421546 is an apocalyptic number.

140214421546 is a deficient number, since it is larger than the sum of its proper divisors (70157793494).

140214421546 is a wasteful number, since it uses less digits than its factorization.

140214421546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16860908.

The product of its (nonzero) digits is 30720, while the sum is 34.

Adding to 140214421546 its reverse (645124412041), we get a palindrome (785338833587).

The spelling of 140214421546 in words is "one hundred forty billion, two hundred fourteen million, four hundred twenty-one thousand, five hundred forty-six".