13139010 has 48 divisors (see below), whose sum is σ = 35433216. Its totient is φ = 3503088.

The previous prime is 13138997. The next prime is 13139017. The reversal of 13139010 is 1093131.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (13139017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 274 + ... + 5133.

It is an arithmetic number, because the mean of its divisors is an integer number (738192).

Almost surely, 2^13139010 is an apocalyptic number.

13139010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13139010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17716608).

13139010 is an abundant number, since it is smaller than the sum of its proper divisors (22294206).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13139010 is an equidigital number, since it uses as much as digits as its factorization.

13139010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5429 (or 5417 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 18.

The square root of 13139010 is about 3624.7772345346. Note that the first 3 decimals coincide. The cubic root of 13139010 is about 235.9685991929.

The spelling of 13139010 in words is "thirteen million, one hundred thirty-nine thousand, ten".