13958136 has 32 divisors (see below), whose sum is σ = 38773200. Its totient is φ = 4652640.

The previous prime is 13958129. The next prime is 13958143. The reversal of 13958136 is 63185931.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13958129) and next prime (13958143).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 13958136.

It is a congruent number.

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, 32095 + ... + 32526.

Almost surely, 2^13958136 is an apocalyptic number.

It is an amenable number.

13958136 is an abundant number, since it is smaller than the sum of its proper divisors (24815064).

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

13958136 is a wasteful number, since it uses less digits than its factorization.

13958136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64636 (or 64626 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 13958136 is about 3736.0588860456. The cubic root of 13958136 is about 240.7737527636.

The spelling of 13958136 in words is "thirteen million, nine hundred fifty-eight thousand, one hundred thirty-six".