1381467774 has 16 divisors (see below), whose sum is σ = 2804174208. Its totient is φ = 453616152.

The previous prime is 1381467767. The next prime is 1381467823. The reversal of 1381467774 is 4777641831.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1717842 + ... + 1718645.

It is an arithmetic number, because the mean of its divisors is an integer number (175260888).

Almost surely, 2^1381467774 is an apocalyptic number.

1381467774 is an abundant number, since it is smaller than the sum of its proper divisors (1422706434).

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

1381467774 is a wasteful number, since it uses less digits than its factorization.

1381467774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3436559.

The product of its digits is 790272, while the sum is 48.

The square root of 1381467774 is about 37168.1015657243. The cubic root of 1381467774 is about 1113.7308580994.

The spelling of 1381467774 in words is "one billion, three hundred eighty-one million, four hundred sixty-seven thousand, seven hundred seventy-four".