1340413442 has 8 divisors (see below), whose sum is σ = 2015870976. Its totient is φ = 668456452.

The previous prime is 1340413441. The next prime is 1340413453. The reversal of 1340413442 is 2443140431.

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

It is not an unprimeable number, because it can be changed into a prime (1340413441) 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, 874178 + ... + 875709.

It is an arithmetic number, because the mean of its divisors is an integer number (251983872).

Almost surely, 2^1340413442 is an apocalyptic number.

1340413442 is a deficient number, since it is larger than the sum of its proper divisors (675457534).

1340413442 is a wasteful number, since it uses less digits than its factorization.

1340413442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1750272.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 1340413442 is about 36611.6571872949. The cubic root of 1340413442 is about 1102.5871451042.

Adding to 1340413442 its reverse (2443140431), we get a palindrome (3783553873).

The spelling of 1340413442 in words is "one billion, three hundred forty million, four hundred thirteen thousand, four hundred forty-two".