5140402 has 4 divisors (see below), whose sum is σ = 7710606. Its totient is φ = 2570200.

The previous prime is 5140397. The next prime is 5140403. The reversal of 5140402 is 2040415.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2893401 + 2247001 = 1701^2 + 1499^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (5140403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1285099 + ... + 1285102.

Almost surely, 2^5140402 is an apocalyptic number.

5140402 is a deficient number, since it is larger than the sum of its proper divisors (2570204).

5140402 is a wasteful number, since it uses less digits than its factorization.

5140402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2570203.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 5140402 is about 2267.2454653169. The cubic root of 5140402 is about 172.5834029228.

Adding to 5140402 its reverse (2040415), we get a palindrome (7180817).

The spelling of 5140402 in words is "five million, one hundred forty thousand, four hundred two".