1381430667 has 8 divisors (see below), whose sum is σ = 1846011600. Its totient is φ = 918901760.

The previous prime is 1381430657. The next prime is 1381430681. The reversal of 1381430667 is 7660341831.

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

It is a cyclic number.

It is not a de Polignac number, because 1381430667 - 2⁴ = 1381430651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1381430647) 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, 511434 + ... + 514127.

It is an arithmetic number, because the mean of its divisors is an integer number (230751450).

Almost surely, 2^1381430667 is an apocalyptic number.

1381430667 is a deficient number, since it is larger than the sum of its proper divisors (464580933).

1381430667 is a wasteful number, since it uses less digits than its factorization.

1381430667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026013.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 1381430667 is about 37167.6023843347. The cubic root of 1381430667 is about 1113.7208861981.

The spelling of 1381430667 in words is "one billion, three hundred eighty-one million, four hundred thirty thousand, six hundred sixty-seven".