13642156 has 12 divisors (see below), whose sum is σ = 26044200. Its totient is φ = 6200960.

The previous prime is 13642103. The next prime is 13642163. The reversal of 13642156 is 65124631.

It is a super-2 number, since 2×13642156² = 372216840656672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154981 + ... + 155068.

It is an arithmetic number, because the mean of its divisors is an integer number (2170350).

Almost surely, 2^13642156 is an apocalyptic number.

It is an amenable number.

13642156 is a deficient number, since it is larger than the sum of its proper divisors (12402044).

13642156 is a wasteful number, since it uses less digits than its factorization.

13642156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310064 (or 310062 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 13642156 is about 3693.5289358552. The cubic root of 13642156 is about 238.9430137882.

Adding to 13642156 its reverse (65124631), we get a palindrome (78766787).

The spelling of 13642156 in words is "thirteen million, six hundred forty-two thousand, one hundred fifty-six".