140204024102421 has 32 divisors (see below), whose sum is σ = 210987411655680. Its totient is φ = 91996714176048.

The previous prime is 140204024102407. The next prime is 140204024102431. The reversal of 140204024102421 is 124201420402041.

140204024102421 is a `hidden beast` number, since 1 + 4 + 0 + 2 + 0 + 4 + 0 + 2 + 410 + 242 + 1 = 666.

It is not a de Polignac number, because 140204024102421 - 2³³ = 140195434167829 is a prime.

It is a super-2 number, since 2×140204024102421² (a number of 29 digits) contains 22 as substring.

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 (140204024102431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30499561 + ... + 34794126.

It is an arithmetic number, because the mean of its divisors is an integer number (6593356614240).

Almost surely, 2^{140204024102421} is an apocalyptic number.

It is an amenable number.

140204024102421 is a deficient number, since it is larger than the sum of its proper divisors (70783387553259).

140204024102421 is a wasteful number, since it uses less digits than its factorization.

140204024102421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65294950 (or 65294944 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 140204024102421 its reverse (124201420402041), we get a palindrome (264405444504462).

The spelling of 140204024102421 in words is "one hundred forty trillion, two hundred four billion, twenty-four million, one hundred two thousand, four hundred twenty-one".