1856653086134 has 16 divisors (see below), whose sum is σ = 3472182395136. Its totient is φ = 723371332200.

The previous prime is 1856653086131. The next prime is 1856653086149. The reversal of 1856653086134 is 4316803566581.

It is a self number, because there is not a number n which added to its sum of digits gives 1856653086134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1856653086131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6028094282 + ... + 6028094589.

It is an arithmetic number, because the mean of its divisors is an integer number (217011399696).

Almost surely, 2^{1856653086134} is an apocalyptic number.

1856653086134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1856653086134 is a deficient number, since it is larger than the sum of its proper divisors (1615529309002).

1856653086134 is a wasteful number, since it uses less digits than its factorization.

1856653086134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12056188891.

The product of its (nonzero) digits is 12441600, while the sum is 56.

The spelling of 1856653086134 in words is "one trillion, eight hundred fifty-six billion, six hundred fifty-three million, eighty-six thousand, one hundred thirty-four".