2134139421 has 16 divisors (see below), whose sum is σ = 3086391168. Its totient is φ = 1306406400.

The previous prime is 2134139411. The next prime is 2134139431. The reversal of 2134139421 is 1249314312.

It is an interprime number because it is at equal distance from previous prime (2134139411) and next prime (2134139431).

It is not a de Polignac number, because 2134139421 - 2¹³ = 2134131229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2134139411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 508225 + ... + 512406.

It is an arithmetic number, because the mean of its divisors is an integer number (192899448).

Almost surely, 2^2134139421 is an apocalyptic number.

It is an amenable number.

2134139421 is a deficient number, since it is larger than the sum of its proper divisors (952251747).

2134139421 is a wasteful number, since it uses less digits than its factorization.

2134139421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020692.

The product of its digits is 5184, while the sum is 30.

The square root of 2134139421 is about 46196.7468659861. The cubic root of 2134139421 is about 1287.4812984496.

The spelling of 2134139421 in words is "two billion, one hundred thirty-four million, one hundred thirty-nine thousand, four hundred twenty-one".