104140002421 has 48 divisors (see below), whose sum is σ = 135492134400. Its totient is φ = 77933581056.

The previous prime is 104140002377. The next prime is 104140002431. The reversal of 104140002421 is 124200041401.

It is not a de Polignac number, because 104140002421 - 2¹⁵ = 104139969653 is a prime.

It is a super-2 number, since 2×104140002421² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104140002431) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23617665 + ... + 23622073.

It is an arithmetic number, because the mean of its divisors is an integer number (2822752800).

Almost surely, 2^104140002421 is an apocalyptic number.

It is an amenable number.

104140002421 is a deficient number, since it is larger than the sum of its proper divisors (31352131979).

104140002421 is a wasteful number, since it uses less digits than its factorization.

104140002421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5186 (or 5167 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 104140002421 its reverse (124200041401), we get a palindrome (228340043822).

The spelling of 104140002421 in words is "one hundred four billion, one hundred forty million, two thousand, four hundred twenty-one".