13732140 has 24 divisors (see below), whose sum is σ = 38450160. Its totient is φ = 3661888.

The previous prime is 13732139. The next prime is 13732151. The reversal of 13732140 is 4123731.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114375 + ... + 114494.

It is an arithmetic number, because the mean of its divisors is an integer number (1602090).

Almost surely, 2^13732140 is an apocalyptic number.

13732140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13732140 is an abundant number, since it is smaller than the sum of its proper divisors (24718020).

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

13732140 is a wasteful number, since it uses less digits than its factorization.

13732140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228881 (or 228879 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 13732140 is about 3705.6902191090. The cubic root of 13732140 is about 239.4672209299.

Adding to 13732140 its reverse (4123731), we get a palindrome (17855871).

The spelling of 13732140 in words is "thirteen million, seven hundred thirty-two thousand, one hundred forty".