2014138621 has 4 divisors (see below), whose sum is σ = 2197242144. Its totient is φ = 1831035100.

The previous prime is 2014138613. The next prime is 2014138669. The reversal of 2014138621 is 1268314102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2014138621 - 2³ = 2014138613 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2014138621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2014138601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91551745 + ... + 91551766.

It is an arithmetic number, because the mean of its divisors is an integer number (549310536).

Almost surely, 2^2014138621 is an apocalyptic number.

It is an amenable number.

2014138621 is a deficient number, since it is larger than the sum of its proper divisors (183103523).

2014138621 is a wasteful number, since it uses less digits than its factorization.

2014138621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183103522.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 2014138621 is about 44879.1557518632. The cubic root of 2014138621 is about 1262.8830055288.

The spelling of 2014138621 in words is "two billion, fourteen million, one hundred thirty-eight thousand, six hundred twenty-one".