1339296087 has 4 divisors (see below), whose sum is σ = 1785728120. Its totient is φ = 892864056.

The previous prime is 1339296071. The next prime is 1339296089. The reversal of 1339296087 is 7806929331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7806929331 = 3 ⋅2602309777.

It is not a de Polignac number, because 1339296087 - 2⁴ = 1339296071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1339296089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223216012 + ... + 223216017.

It is an arithmetic number, because the mean of its divisors is an integer number (446432030).

Almost surely, 2^1339296087 is an apocalyptic number.

1339296087 is a deficient number, since it is larger than the sum of its proper divisors (446432033).

1339296087 is an equidigital number, since it uses as much as digits as its factorization.

1339296087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446432032.

The product of its (nonzero) digits is 489888, while the sum is 48.

The square root of 1339296087 is about 36596.3944535524. The cubic root of 1339296087 is about 1102.2806914629.

The spelling of 1339296087 in words is "one billion, three hundred thirty-nine million, two hundred ninety-six thousand, eighty-seven".