13540342 has 8 divisors (see below), whose sum is σ = 20330856. Its totient is φ = 6763392.

The previous prime is 13540333. The next prime is 13540367. The reversal of 13540342 is 24304531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13540342² = 366681722953928, 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, 348 + ... + 5215.

It is an arithmetic number, because the mean of its divisors is an integer number (2541357).

Almost surely, 2^13540342 is an apocalyptic number.

13540342 is a deficient number, since it is larger than the sum of its proper divisors (6790514).

13540342 is a wasteful number, since it uses less digits than its factorization.

13540342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6782.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 13540342 is about 3679.7203698107. The cubic root of 13540342 is about 238.3471031650.

Adding to 13540342 its reverse (24304531), we get a palindrome (37844873).

The spelling of 13540342 in words is "thirteen million, five hundred forty thousand, three hundred forty-two".