2131900129 has 8 divisors (see below), whose sum is σ = 2154055680. Its totient is φ = 2109842256.

The previous prime is 2131900109. The next prime is 2131900201. The reversal of 2131900129 is 9210091312.

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

It is a cyclic number.

It is not a de Polignac number, because 2131900129 - 2⁵ = 2131900097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2131900097 and 2131900106.

It is not an unprimeable number, because it can be changed into a prime (2131900109) 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 7 ways as a sum of consecutive naturals, for example, 19872 + ... + 68254.

It is an arithmetic number, because the mean of its divisors is an integer number (269256960).

Almost surely, 2^2131900129 is an apocalyptic number.

It is an amenable number.

2131900129 is a deficient number, since it is larger than the sum of its proper divisors (22155551).

2131900129 is a wasteful number, since it uses less digits than its factorization.

2131900129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48839.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 2131900129 is about 46172.5040364934. The cubic root of 2131900129 is about 1287.0308349828.

The spelling of 2131900129 in words is "two billion, one hundred thirty-one million, nine hundred thousand, one hundred twenty-nine".