2131834639 has 8 divisors (see below), whose sum is σ = 2326356432. Its totient is φ = 1937432640.

The previous prime is 2131834633. The next prime is 2131834651. The reversal of 2131834639 is 9364381312.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2131834639 - 2⁹ = 2131834127 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 (2131834633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9537 + ... + 65989.

It is an arithmetic number, because the mean of its divisors is an integer number (290794554).

Almost surely, 2^2131834639 is an apocalyptic number.

2131834639 is a deficient number, since it is larger than the sum of its proper divisors (194521793).

2131834639 is a wasteful number, since it uses less digits than its factorization.

2131834639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59897.

The product of its digits is 93312, while the sum is 40.

The square root of 2131834639 is about 46171.7948427392. The cubic root of 2131834639 is about 1287.0176560489.

The spelling of 2131834639 in words is "two billion, one hundred thirty-one million, eight hundred thirty-four thousand, six hundred thirty-nine".