82107103142 has 4 divisors (see below), whose sum is σ = 123160654716. Its totient is φ = 41053551570.

The previous prime is 82107103097. The next prime is 82107103147. The reversal of 82107103142 is 24130170128.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82107103147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20526775784 + ... + 20526775787.

It is an arithmetic number, because the mean of its divisors is an integer number (30790163679).

Almost surely, 2^82107103142 is an apocalyptic number.

82107103142 is a deficient number, since it is larger than the sum of its proper divisors (41053551574).

82107103142 is a wasteful number, since it uses less digits than its factorization.

82107103142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41053551573.

The product of its (nonzero) digits is 2688, while the sum is 29.

The spelling of 82107103142 in words is "eighty-two billion, one hundred seven million, one hundred three thousand, one hundred forty-two".