1421423402139 has 24 divisors (see below), whose sum is σ = 2231388439280. Its totient is φ = 866697112512.

The previous prime is 1421423402137. The next prime is 1421423402177. The reversal of 1421423402139 is 9312043241241.

1421423402139 is a `hidden beast` number, since 1 + 4 + 214 + 2 + 3 + 402 + 1 + 39 = 666.

It is not a de Polignac number, because 1421423402139 - 2¹ = 1421423402137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1421423402137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55716229 + ... + 55741734.

Almost surely, 2^{1421423402139} is an apocalyptic number.

1421423402139 is a deficient number, since it is larger than the sum of its proper divisors (809965037141).

1421423402139 is a wasteful number, since it uses less digits than its factorization.

1421423402139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111458091 (or 111458088 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 1421423402139 in words is "one trillion, four hundred twenty-one billion, four hundred twenty-three million, four hundred two thousand, one hundred thirty-nine".