814142101720 has 64 divisors (see below), whose sum is σ = 1835235338400. Its totient is φ = 325050163200.

The previous prime is 814142101711. The next prime is 814142101741. The reversal of 814142101720 is 27101241418.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56526520 + ... + 56540920.

Almost surely, 2^814142101720 is an apocalyptic number.

It is an amenable number.

814142101720 is an abundant number, since it is smaller than the sum of its proper divisors (1021093236680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

814142101720 is a wasteful number, since it uses less digits than its factorization.

814142101720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16948 (or 16944 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 31.

The spelling of 814142101720 in words is "eight hundred fourteen billion, one hundred forty-two million, one hundred one thousand, seven hundred twenty".