1381381710 has 16 divisors (see below), whose sum is σ = 3315316176. Its totient is φ = 368368448.

The previous prime is 1381381709. The next prime is 1381381711. The reversal of 1381381710 is 171831831.

It is an interprime number because it is at equal distance from previous prime (1381381709) and next prime (1381381711).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1381381711) 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, 23022999 + ... + 23023058.

It is an arithmetic number, because the mean of its divisors is an integer number (207207261).

Almost surely, 2^1381381710 is an apocalyptic number.

1381381710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1381381710 is an abundant number, since it is smaller than the sum of its proper divisors (1933934466).

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

1381381710 is a wasteful number, since it uses less digits than its factorization.

1381381710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46046067.

The product of its (nonzero) digits is 4032, while the sum is 33.

The square root of 1381381710 is about 37166.9437807307. The cubic root of 1381381710 is about 1113.7077295292.

It can be divided in two parts, 138138 and 1710, that multiplied together give a triangular number (236215980 = T₂₁₇₃₅).

The spelling of 1381381710 in words is "one billion, three hundred eighty-one million, three hundred eighty-one thousand, seven hundred ten".