100806720142 has 16 divisors (see below), whose sum is σ = 161470166400. Its totient is φ = 47095463520.

The previous prime is 100806720127. The next prime is 100806720191. The reversal of 100806720142 is 241027608001.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28031217 + ... + 28034812.

It is an arithmetic number, because the mean of its divisors is an integer number (10091885400).

Almost surely, 2^100806720142 is an apocalyptic number.

100806720142 is a deficient number, since it is larger than the sum of its proper divisors (60663446258).

100806720142 is a wasteful number, since it uses less digits than its factorization.

100806720142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56066091.

The product of its (nonzero) digits is 5376, while the sum is 31.

The spelling of 100806720142 in words is "one hundred billion, eight hundred six million, seven hundred twenty thousand, one hundred forty-two".