1340421141 has 8 divisors (see below), whose sum is σ = 1812400704. Its totient is φ = 881027840.

The previous prime is 1340421113. The next prime is 1340421143. The reversal of 1340421141 is 1411240431.

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 1340421141 - 2¹⁰ = 1340420117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340421143) 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, 3146316 + ... + 3146741.

It is an arithmetic number, because the mean of its divisors is an integer number (226550088).

Almost surely, 2^1340421141 is an apocalyptic number.

It is an amenable number.

1340421141 is a deficient number, since it is larger than the sum of its proper divisors (471979563).

1340421141 is an equidigital number, since it uses as much as digits as its factorization.

1340421141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6293131.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1340421141 is about 36611.7623312509. The cubic root of 1340421141 is about 1102.5892560952.

Adding to 1340421141 its reverse (1411240431), we get a palindrome (2751661572).

The spelling of 1340421141 in words is "one billion, three hundred forty million, four hundred twenty-one thousand, one hundred forty-one".