13642137 has 12 divisors (see below), whose sum is σ = 20164144. Its totient is φ = 8883000.

The previous prime is 13642103. The next prime is 13642163. The reversal of 13642137 is 73124631.

13642137 is a `hidden beast` number, since 1 + 3 + 642 + 13 + 7 = 666.

It is not a de Polignac number, because 13642137 - 2¹⁰ = 13641113 is a prime.

It is a super-2 number, since 2×13642137² = 372215803853538, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13642137.

It is not an unprimeable number, because it can be changed into a prime (13642037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17239 + ... + 18012.

Almost surely, 2^13642137 is an apocalyptic number.

It is an amenable number.

13642137 is a deficient number, since it is larger than the sum of its proper divisors (6522007).

13642137 is a wasteful number, since it uses less digits than its factorization.

13642137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35300 (or 35297 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 13642137 is about 3693.5263637884. The cubic root of 13642137 is about 238.9429028595.

Adding to 13642137 its reverse (73124631), we get a palindrome (86766768).

The spelling of 13642137 in words is "thirteen million, six hundred forty-two thousand, one hundred thirty-seven".