2102340131439 has 32 divisors (see below), whose sum is σ = 2945105502720. Its totient is φ = 1332106376832.

The previous prime is 2102340131399. The next prime is 2102340131447. The reversal of 2102340131439 is 9341310432012.

It is not a de Polignac number, because 2102340131439 - 2¹⁵ = 2102340098671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102340131539) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8309937 + ... + 8559189.

It is an arithmetic number, because the mean of its divisors is an integer number (92034546960).

Almost surely, 2^{2102340131439} is an apocalyptic number.

2102340131439 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2102340131439 is a deficient number, since it is larger than the sum of its proper divisors (842765371281).

2102340131439 is a wasteful number, since it uses less digits than its factorization.

2102340131439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250799.

The product of its (nonzero) digits is 15552, while the sum is 33.

The spelling of 2102340131439 in words is "two trillion, one hundred two billion, three hundred forty million, one hundred thirty-one thousand, four hundred thirty-nine".