1340142024 has 64 divisors (see below), whose sum is σ = 3625352640. Its totient is φ = 410376960.

The previous prime is 1340142019. The next prime is 1340142049. The reversal of 1340142024 is 4202410431.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55654 + ... + 76010.

It is an arithmetic number, because the mean of its divisors is an integer number (56646135).

Almost surely, 2^1340142024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1340142024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1812676320).

1340142024 is an abundant number, since it is smaller than the sum of its proper divisors (2285210616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1340142024 is a wasteful number, since it uses less digits than its factorization.

1340142024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20590 (or 20586 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1340142024 is about 36607.9502840572. The cubic root of 1340142024 is about 1102.5127197590.

Adding to 1340142024 its reverse (4202410431), we get a palindrome (5542552455).

The spelling of 1340142024 in words is "one billion, three hundred forty million, one hundred forty-two thousand, twenty-four".