1381942707 has 8 divisors (see below), whose sum is σ = 1902028800. Its totient is φ = 891575880.

The previous prime is 1381942669. The next prime is 1381942721. The reversal of 1381942707 is 7072491831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1381942707 - 2¹⁵ = 1381909939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1381942777) by changing a digit.

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, 7429707 + ... + 7429892.

It is an arithmetic number, because the mean of its divisors is an integer number (237753600).

Almost surely, 2^1381942707 is an apocalyptic number.

1381942707 is a deficient number, since it is larger than the sum of its proper divisors (520086093).

1381942707 is a wasteful number, since it uses less digits than its factorization.

1381942707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14859633.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 1381942707 is about 37174.4900032267. The cubic root of 1381942707 is about 1113.8584728349.

The spelling of 1381942707 in words is "one billion, three hundred eighty-one million, nine hundred forty-two thousand, seven hundred seven".