13940357 has 8 divisors (see below), whose sum is σ = 15537600. Its totient is φ = 12429504.

The previous prime is 13940351. The next prime is 13940371. The reversal of 13940357 is 75304931.

It is a happy number.

13940357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13940357 - 2⁶ = 13940293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13940351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21257 + ... + 21902.

It is an arithmetic number, because the mean of its divisors is an integer number (1942200).

Almost surely, 2^13940357 is an apocalyptic number.

13940357 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

13940357 is a deficient number, since it is larger than the sum of its proper divisors (1597243).

13940357 is a wasteful number, since it uses less digits than its factorization.

13940357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43195.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 13940357 is about 3733.6787489017. The cubic root of 13940357 is about 240.6714818171.

The spelling of 13940357 in words is "thirteen million, nine hundred forty thousand, three hundred fifty-seven".