648743134 has 16 divisors (see below), whose sum is σ = 1052155440. Its totient is φ = 298224000.

The previous prime is 648743101. The next prime is 648743149. The reversal of 648743134 is 431347846.

648743134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 43179 + ... + 56230.

It is an arithmetic number, because the mean of its divisors is an integer number (65759715).

Almost surely, 2^648743134 is an apocalyptic number.

648743134 is a deficient number, since it is larger than the sum of its proper divisors (403412306).

648743134 is a wasteful number, since it uses less digits than its factorization.

648743134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99675.

The product of its digits is 193536, while the sum is 40.

The square root of 648743134 is about 25470.4364705436. The cubic root of 648743134 is about 865.6804135552.

The spelling of 648743134 in words is "six hundred forty-eight million, seven hundred forty-three thousand, one hundred thirty-four".