1339646715 has 32 divisors (see below), whose sum is σ = 2598105600. Its totient is φ = 649524960.

The previous prime is 1339646713. The next prime is 1339646719. The reversal of 1339646715 is 5176469331.

It is a happy number.

It is not a de Polignac number, because 1339646715 - 2¹ = 1339646713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (1339646713) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 449575 + ... + 452544.

It is an arithmetic number, because the mean of its divisors is an integer number (81190800).

Almost surely, 2^1339646715 is an apocalyptic number.

1339646715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1339646715 is a deficient number, since it is larger than the sum of its proper divisors (1258458885).

1339646715 is a wasteful number, since it uses less digits than its factorization.

1339646715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902144 (or 902138 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 1339646715 is about 36601.1846119767. The cubic root of 1339646715 is about 1102.3768755094.

The spelling of 1339646715 in words is "one billion, three hundred thirty-nine million, six hundred forty-six thousand, seven hundred fifteen".