1481391734 has 16 divisors (see below), whose sum is σ = 2352570480. Its totient is φ = 697652640.

The previous prime is 1481391733. The next prime is 1481391749. The reversal of 1481391734 is 4371931841.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1481391691 and 1481391700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1481391733) 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, 106097 + ... + 119244.

It is an arithmetic number, because the mean of its divisors is an integer number (147035655).

Almost surely, 2^1481391734 is an apocalyptic number.

1481391734 is a deficient number, since it is larger than the sum of its proper divisors (871178746).

1481391734 is a wasteful number, since it uses less digits than its factorization.

1481391734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225535.

The product of its digits is 72576, while the sum is 41.

The square root of 1481391734 is about 38488.8520743345. The cubic root of 1481391734 is about 1139.9609440811.

The spelling of 1481391734 in words is "one billion, four hundred eighty-one million, three hundred ninety-one thousand, seven hundred thirty-four".