1381679527 has 2 divisors, whose sum is σ = 1381679528. Its totient is φ = 1381679526.

The previous prime is 1381679513. The next prime is 1381679549. The reversal of 1381679527 is 7259761831.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1381679527 - 2²⁷ = 1247461799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1381679587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 690839763 + 690839764.

It is an arithmetic number, because the mean of its divisors is an integer number (690839764).

Almost surely, 2^1381679527 is an apocalyptic number.

1381679527 is a deficient number, since it is larger than the sum of its proper divisors (1).

1381679527 is an equidigital number, since it uses as much as digits as its factorization.

1381679527 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 49.

The square root of 1381679527 is about 37170.9500416656. The cubic root of 1381679527 is about 1113.7877598494.

The spelling of 1381679527 in words is "one billion, three hundred eighty-one million, six hundred seventy-nine thousand, five hundred twenty-seven".