14140477 has 4 divisors (see below), whose sum is σ = 15228220. Its totient is φ = 13052736.

The previous prime is 14140459. The next prime is 14140493. The reversal of 14140477 is 77404141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77404141 = 3019 ⋅25639.

It can be written as a sum of positive squares in 2 ways, for example, as 2709316 + 11431161 = 1646^2 + 3381^2 .

It is a cyclic number.

It is not a de Polignac number, because 14140477 - 2¹⁹ = 13616189 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 (14140457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 543852 + ... + 543877.

It is an arithmetic number, because the mean of its divisors is an integer number (3807055).

Almost surely, 2^14140477 is an apocalyptic number.

It is an amenable number.

14140477 is a deficient number, since it is larger than the sum of its proper divisors (1087743).

14140477 is a wasteful number, since it uses less digits than its factorization.

14140477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087742.

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 14140477 is about 3760.3825603255. The cubic root of 14140477 is about 241.8176631203.

The spelling of 14140477 in words is "fourteen million, one hundred forty thousand, four hundred seventy-seven".