2139213037 has 16 divisors (see below), whose sum is σ = 2491195392. Its totient is φ = 1818950400.

The previous prime is 2139213029. The next prime is 2139213103. The reversal of 2139213037 is 7303129312.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2139213037 - 2³ = 2139213029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2139213017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92589 + ... + 113362.

It is an arithmetic number, because the mean of its divisors is an integer number (155699712).

Almost surely, 2^2139213037 is an apocalyptic number.

It is an amenable number.

2139213037 is a deficient number, since it is larger than the sum of its proper divisors (351982355).

2139213037 is a wasteful number, since it uses less digits than its factorization.

2139213037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206028.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 2139213037 is about 46251.6273983954. The cubic root of 2139213037 is about 1288.5007595067.

The spelling of 2139213037 in words is "two billion, one hundred thirty-nine million, two hundred thirteen thousand, thirty-seven".