139503313 has 8 divisors (see below), whose sum is σ = 142533440. Its totient is φ = 136501200.

The previous prime is 139503271. The next prime is 139503337. The reversal of 139503313 is 313305931.

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

It is a cyclic number.

It is not a de Polignac number, because 139503313 - 2¹⁷ = 139372241 is a prime.

It is a super-2 number, since 2×139503313² = 38922348675951938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139513313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3223 + ... + 17011.

It is an arithmetic number, because the mean of its divisors is an integer number (17816680).

Almost surely, 2^139503313 is an apocalyptic number.

It is an amenable number.

139503313 is a deficient number, since it is larger than the sum of its proper divisors (3030127).

139503313 is a wasteful number, since it uses less digits than its factorization.

139503313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14007.

The product of its (nonzero) digits is 3645, while the sum is 28.

The square root of 139503313 is about 11811.1520606586. The cubic root of 139503313 is about 518.6346244016.

The spelling of 139503313 in words is "one hundred thirty-nine million, five hundred three thousand, three hundred thirteen".