14138740 has 48 divisors (see below), whose sum is σ = 37021824. Its totient is φ = 4406400.

The previous prime is 14138737. The next prime is 14138741. The reversal of 14138740 is 4783141.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 14138699 and 14138708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14138741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3051 + ... + 6130.

It is an arithmetic number, because the mean of its divisors is an integer number (771288).

Almost surely, 2^14138740 is an apocalyptic number.

14138740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14138740 is an abundant number, since it is smaller than the sum of its proper divisors (22883084).

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

14138740 is a wasteful number, since it uses less digits than its factorization.

14138740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9208 (or 9206 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 14138740 is about 3760.1515926888. The cubic root of 14138740 is about 241.8077611799.

It can be divided in two parts, 14138 and 740, that added together give a triangular number (14878 = T₁₇₂).

The spelling of 14138740 in words is "fourteen million, one hundred thirty-eight thousand, seven hundred forty".