1913129934 has 16 divisors (see below), whose sum is σ = 3843420672. Its totient is φ = 634849848.

The previous prime is 1913129921. The next prime is 1913129941. The reversal of 1913129934 is 4399213191.

It is a super-2 number, since 2×1913129934² = 7320132288733688712, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 713584 + ... + 716259.

It is an arithmetic number, because the mean of its divisors is an integer number (240213792).

Almost surely, 2^1913129934 is an apocalyptic number.

1913129934 is an abundant number, since it is smaller than the sum of its proper divisors (1930290738).

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

1913129934 is a wasteful number, since it uses less digits than its factorization.

1913129934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430071.

The product of its digits is 52488, while the sum is 42.

The square root of 1913129934 is about 43739.3408043606. The cubic root of 1913129934 is about 1241.4088076601.

The spelling of 1913129934 in words is "one billion, nine hundred thirteen million, one hundred twenty-nine thousand, nine hundred thirty-four".