1387413739 has 2 divisors, whose sum is σ = 1387413740. Its totient is φ = 1387413738.

The previous prime is 1387413697. The next prime is 1387413749. The reversal of 1387413739 is 9373147831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1387413739 - 2¹⁹ = 1386889451 is a prime.

It is not a weakly prime, because it can be changed into another prime (1387413749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 693706869 + 693706870.

It is an arithmetic number, because the mean of its divisors is an integer number (693706870).

Almost surely, 2^1387413739 is an apocalyptic number.

1387413739 is a deficient number, since it is larger than the sum of its proper divisors (1).

1387413739 is an equidigital number, since it uses as much as digits as its factorization.

1387413739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 46.

The square root of 1387413739 is about 37248.0031545317. The cubic root of 1387413739 is about 1115.3264379647.

The spelling of 1387413739 in words is "one billion, three hundred eighty-seven million, four hundred thirteen thousand, seven hundred thirty-nine".