1391105034 has 24 divisors (see below), whose sum is σ = 3288066912. Its totient is φ = 421546920.

The previous prime is 1391105029. The next prime is 1391105057. The reversal of 1391105034 is 4305011931.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1391104989 and 1391105007.

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 11 ways as a sum of consecutive naturals, for example, 3512694 + ... + 3513089.

It is an arithmetic number, because the mean of its divisors is an integer number (137002788).

Almost surely, 2^1391105034 is an apocalyptic number.

1391105034 is an abundant number, since it is smaller than the sum of its proper divisors (1896961878).

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

1391105034 is a wasteful number, since it uses less digits than its factorization.

1391105034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7025802 (or 7025799 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 1391105034 is about 37297.5204805896. The cubic root of 1391105034 is about 1116.3146923462.

Adding to 1391105034 its reverse (4305011931), we get a palindrome (5696116965).

The spelling of 1391105034 in words is "one billion, three hundred ninety-one million, one hundred five thousand, thirty-four".