13880142 has 48 divisors (see below), whose sum is σ = 31299840. Its totient is φ = 4442256.

The previous prime is 13880101. The next prime is 13880149. The reversal of 13880142 is 24108831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13880149) 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, 61033 + ... + 61259.

It is an arithmetic number, because the mean of its divisors is an integer number (652080).

Almost surely, 2^13880142 is an apocalyptic number.

13880142 is an abundant number, since it is smaller than the sum of its proper divisors (17419698).

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

13880142 is a wasteful number, since it uses less digits than its factorization.

13880142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 13880142 is about 3725.6062593892. The cubic root of 13880142 is about 240.3244570009.

Adding to 13880142 its reverse (24108831), we get a palindrome (37988973).

The spelling of 13880142 in words is "thirteen million, eight hundred eighty thousand, one hundred forty-two".