656463142 has 8 divisors (see below), whose sum is σ = 985358736. Its totient is φ = 328010232.

The previous prime is 656463133. The next prime is 656463173. The reversal of 656463142 is 241364656.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106938 + ... + 112909.

It is an arithmetic number, because the mean of its divisors is an integer number (123169842).

Almost surely, 2^656463142 is an apocalyptic number.

656463142 is a deficient number, since it is larger than the sum of its proper divisors (328895594).

656463142 is a wasteful number, since it uses less digits than its factorization.

656463142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221342.

The product of its digits is 103680, while the sum is 37.

The square root of 656463142 is about 25621.5366830329. The cubic root of 656463142 is about 869.1007319613.

The spelling of 656463142 in words is "six hundred fifty-six million, four hundred sixty-three thousand, one hundred forty-two".