1339201079 has 4 divisors (see below), whose sum is σ = 1349424120. Its totient is φ = 1328978040.

The previous prime is 1339201069. The next prime is 1339201103. The reversal of 1339201079 is 9701029331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1339201079 - 2²⁸ = 1070765623 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 (1339201009) 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, 5111324 + ... + 5111585.

It is an arithmetic number, because the mean of its divisors is an integer number (337356030).

Almost surely, 2^1339201079 is an apocalyptic number.

1339201079 is a deficient number, since it is larger than the sum of its proper divisors (10223041).

1339201079 is a wasteful number, since it uses less digits than its factorization.

1339201079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10223040.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 1339201079 is about 36595.0963791599. The cubic root of 1339201079 is about 1102.2546260390.

The spelling of 1339201079 in words is "one billion, three hundred thirty-nine million, two hundred one thousand, seventy-nine".