64131854 has 8 divisors (see below), whose sum is σ = 101856528. Its totient is φ = 30179680.

The previous prime is 64131833. The next prime is 64131883. The reversal of 64131854 is 45813146.

64131854 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 super-2 number, since 2×64131854² = 8225789394954632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64131854.

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, 943082 + ... + 943149.

It is an arithmetic number, because the mean of its divisors is an integer number (12732066).

Almost surely, 2^64131854 is an apocalyptic number.

64131854 is a deficient number, since it is larger than the sum of its proper divisors (37724674).

64131854 is a wasteful number, since it uses less digits than its factorization.

64131854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1886250.

The product of its digits is 11520, while the sum is 32.

The square root of 64131854 is about 8008.2366348654. The cubic root of 64131854 is about 400.2745074045.

The spelling of 64131854 in words is "sixty-four million, one hundred thirty-one thousand, eight hundred fifty-four".