13139334 has 80 divisors (see below), whose sum is σ = 33663168. Its totient is φ = 3794688.

The previous prime is 13139299. The next prime is 13139341. The reversal of 13139334 is 43393131.

13139334 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 13139298 and 13139307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 35619 + ... + 35985.

Almost surely, 2^13139334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13139334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16831584).

13139334 is an abundant number, since it is smaller than the sum of its proper divisors (20523834).

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

13139334 is a wasteful number, since it uses less digits than its factorization.

13139334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411 (or 402 counting only the distinct ones).

The product of its digits is 2916, while the sum is 27.

The square root of 13139334 is about 3624.8219266607. The cubic root of 13139334 is about 235.9705387910.

The spelling of 13139334 in words is "thirteen million, one hundred thirty-nine thousand, three hundred thirty-four".