1380156359 has 2 divisors, whose sum is σ = 1380156360. Its totient is φ = 1380156358.

The previous prime is 1380156347. The next prime is 1380156403. The reversal of 1380156359 is 9536510831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1380156359 - 2⁴ = 1380156343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1380156329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 690078179 + 690078180.

It is an arithmetic number, because the mean of its divisors is an integer number (690078180).

Almost surely, 2^1380156359 is an apocalyptic number.

1380156359 is a deficient number, since it is larger than the sum of its proper divisors (1).

1380156359 is an equidigital number, since it uses as much as digits as its factorization.

1380156359 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 41.

The square root of 1380156359 is about 37150.4557037999. The cubic root of 1380156359 is about 1113.3783282778.

The spelling of 1380156359 in words is "one billion, three hundred eighty million, one hundred fifty-six thousand, three hundred fifty-nine".