1339706553 has 8 divisors (see below), whose sum is σ = 1863939648. Its totient is φ = 854305584.

The previous prime is 1339706551. The next prime is 1339706561. The reversal of 1339706553 is 3556079331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1339706553 - 2¹ = 1339706551 is a prime.

It is a super-2 number, since 2×1339706553² = 3589627296302283618, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1339706551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9707950 + ... + 9708087.

It is an arithmetic number, because the mean of its divisors is an integer number (232992456).

Almost surely, 2^1339706553 is an apocalyptic number.

It is an amenable number.

1339706553 is a deficient number, since it is larger than the sum of its proper divisors (524233095).

1339706553 is a wasteful number, since it uses less digits than its factorization.

1339706553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19416063.

The product of its (nonzero) digits is 255150, while the sum is 42.

The square root of 1339706553 is about 36602.0020354078. The cubic root of 1339706553 is about 1102.3932885544.

The spelling of 1339706553 in words is "one billion, three hundred thirty-nine million, seven hundred six thousand, five hundred fifty-three".