140234242101421 has 16 divisors (see below), whose sum is σ = 152721729720000. Its totient is φ = 127989709803648.

The previous prime is 140234242101403. The next prime is 140234242101439. The reversal of 140234242101421 is 124101242432041.

It is an interprime number because it is at equal distance from previous prime (140234242101403) and next prime (140234242101439).

It is a cyclic number.

It is not a de Polignac number, because 140234242101421 - 2¹⁵ = 140234242068653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140234242101221) 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, 52078830 + ... + 54705328.

It is an arithmetic number, because the mean of its divisors is an integer number (9545108107500).

Almost surely, 2^{140234242101421} is an apocalyptic number.

It is an amenable number.

140234242101421 is a deficient number, since it is larger than the sum of its proper divisors (12487487618579).

140234242101421 is a wasteful number, since it uses less digits than its factorization.

140234242101421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2672748.

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 140234242101421 its reverse (124101242432041), we get a palindrome (264335484533462).

The spelling of 140234242101421 in words is "one hundred forty trillion, two hundred thirty-four billion, two hundred forty-two million, one hundred one thousand, four hundred twenty-one".