1381330767 has 16 divisors (see below), whose sum is σ = 2013023232. Its totient is φ = 838757760.

The previous prime is 1381330751. The next prime is 1381330771. The reversal of 1381330767 is 7670331831.

It is not a de Polignac number, because 1381330767 - 2⁴ = 1381330751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1381330567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 435273 + ... + 438434.

It is an arithmetic number, because the mean of its divisors is an integer number (125813952).

Almost surely, 2^1381330767 is an apocalyptic number.

1381330767 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1381330767 is a deficient number, since it is larger than the sum of its proper divisors (631692465).

1381330767 is a wasteful number, since it uses less digits than its factorization.

1381330767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873758.

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 1381330767 is about 37166.2584476834. The cubic root of 1381330767 is about 1113.6940388141.

The spelling of 1381330767 in words is "one billion, three hundred eighty-one million, three hundred thirty thousand, seven hundred sixty-seven".