687100142 has 8 divisors (see below), whose sum is σ = 1046033256. Its totient is φ = 338422392.

The previous prime is 687100133. The next prime is 687100177. The reversal of 687100142 is 241001786.

687100142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2563673 + ... + 2563940.

It is an arithmetic number, because the mean of its divisors is an integer number (130754157).

Almost surely, 2^687100142 is an apocalyptic number.

687100142 is a deficient number, since it is larger than the sum of its proper divisors (358933114).

687100142 is a wasteful number, since it uses less digits than its factorization.

687100142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5127682.

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

The square root of 687100142 is about 26212.5951023549. The cubic root of 687100142 is about 882.4159430087.

The spelling of 687100142 in words is "six hundred eighty-seven million, one hundred thousand, one hundred forty-two".