1340402 has 16 divisors (see below), whose sum is σ = 2333760. Its totient is φ = 565488.

The previous prime is 1340401. The next prime is 1340407. The reversal of 1340402 is 2040431.

It is a Harshad number since it is a multiple of its sum of digits (14).

1340402 is a modest number, since divided by 402 gives 134 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340401) 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, 224 + ... + 1652.

It is an arithmetic number, because the mean of its divisors is an integer number (145860).

2^1340402 is an apocalyptic number.

1340402 is a deficient number, since it is larger than the sum of its proper divisors (993358).

1340402 is a wasteful number, since it uses less digits than its factorization.

1340402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1340402 is about 1157.7573148117. The cubic root of 1340402 is about 110.2584007804.

Adding to 1340402 its reverse (2040431), we get a palindrome (3380833).

The spelling of 1340402 in words is "one million, three hundred forty thousand, four hundred two".