1386326513 has 16 divisors (see below), whose sum is σ = 1629902400. Its totient is φ = 1162486080.

The previous prime is 1386326509. The next prime is 1386326531. The reversal of 1386326513 is 3156236831.

It is a cyclic number.

It is not a de Polignac number, because 1386326513 - 2² = 1386326509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1386326503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253118 + ... + 258536.

It is an arithmetic number, because the mean of its divisors is an integer number (101868900).

Almost surely, 2^1386326513 is an apocalyptic number.

1386326513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1386326513 is a deficient number, since it is larger than the sum of its proper divisors (243575887).

1386326513 is a wasteful number, since it uses less digits than its factorization.

1386326513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7232.

The product of its digits is 77760, while the sum is 38.

The square root of 1386326513 is about 37233.4058742952. The cubic root of 1386326513 is about 1115.0350255441.

The spelling of 1386326513 in words is "one billion, three hundred eighty-six million, three hundred twenty-six thousand, five hundred thirteen".