13139090 has 16 divisors (see below), whose sum is σ = 23886360. Its totient is φ = 5203200.

The previous prime is 13139083. The next prime is 13139111. The reversal of 13139090 is 9093131.

It can be written as a sum of positive squares in 4 ways, for example, as 11744329 + 1394761 = 3427^2 + 1181^2 .

It is an unprimeable number.

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, 5495 + ... + 7514.

Almost surely, 2^13139090 is an apocalyptic number.

13139090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13139090 is a deficient number, since it is larger than the sum of its proper divisors (10747270).

13139090 is a wasteful number, since it uses less digits than its factorization.

13139090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13117.

The product of its (nonzero) digits is 729, while the sum is 26.

The square root of 13139090 is about 3624.7882696787. The cubic root of 13139090 is about 235.9690781089.

The spelling of 13139090 in words is "thirteen million, one hundred thirty-nine thousand, ninety".