1914681534 has 8 divisors (see below), whose sum is σ = 3829363080. Its totient is φ = 638227176.

The previous prime is 1914681487. The next prime is 1914681539. The reversal of 1914681534 is 4351864191.

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

1914681534 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1914681539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159556789 + ... + 159556800.

It is an arithmetic number, because the mean of its divisors is an integer number (478670385).

Almost surely, 2^1914681534 is an apocalyptic number.

1914681534 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1914681534 is a wasteful number, since it uses less digits than its factorization.

1914681534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319113594.

The product of its digits is 103680, while the sum is 42.

The square root of 1914681534 is about 43757.0741023666. The cubic root of 1914681534 is about 1241.7443223197.

The spelling of 1914681534 in words is "one billion, nine hundred fourteen million, six hundred eighty-one thousand, five hundred thirty-four".