140012240213421 has 16 divisors (see below), whose sum is σ = 207428289364800. Its totient is φ = 93340256737104.

The previous prime is 140012240213411. The next prime is 140012240213423. The reversal of 140012240213421 is 124312042210041.

140012240213421 is a `hidden beast` number, since 1 + 4 + 0 + 0 + 1 + 2 + 24 + 0 + 213 + 421 = 666.

It is not a de Polignac number, because 140012240213421 - 2⁹ = 140012240212909 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140012240213423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32276031 + ... + 36356108.

It is an arithmetic number, because the mean of its divisors is an integer number (12964268085300).

Almost surely, 2^{140012240213421} is an apocalyptic number.

It is an amenable number.

140012240213421 is a deficient number, since it is larger than the sum of its proper divisors (67416049151379).

140012240213421 is an equidigital number, since it uses as much as digits as its factorization.

140012240213421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68707705 (or 68707699 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 140012240213421 its reverse (124312042210041), we get a palindrome (264324282423462).

The spelling of 140012240213421 in words is "one hundred forty trillion, twelve billion, two hundred forty million, two hundred thirteen thousand, four hundred twenty-one".