1339731253 has 4 divisors (see below), whose sum is σ = 1531121440. Its totient is φ = 1148341068.

The previous prime is 1339731251. The next prime is 1339731313. The reversal of 1339731253 is 3521379331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1339731253 - 2¹ = 1339731251 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 (1339731251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95695083 + ... + 95695096.

It is an arithmetic number, because the mean of its divisors is an integer number (382780360).

Almost surely, 2^1339731253 is an apocalyptic number.

It is an amenable number.

1339731253 is a deficient number, since it is larger than the sum of its proper divisors (191390187).

1339731253 is an equidigital number, since it uses as much as digits as its factorization.

1339731253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191390186.

The product of its digits is 51030, while the sum is 37.

The square root of 1339731253 is about 36602.3394470900. The cubic root of 1339731253 is about 1102.4000634079.

The spelling of 1339731253 in words is "one billion, three hundred thirty-nine million, seven hundred thirty-one thousand, two hundred fifty-three".