1340142310 has 32 divisors (see below), whose sum is σ = 2608744320. Its totient is φ = 492739968.

The previous prime is 1340142289. The next prime is 1340142313. The reversal of 1340142310 is 132410431.

It is a super-2 number, since 2×1340142310² = 3591962822104272200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340142313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9504 + ... + 52636.

It is an arithmetic number, because the mean of its divisors is an integer number (81523260).

Almost surely, 2^1340142310 is an apocalyptic number.

1340142310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1340142310 is a deficient number, since it is larger than the sum of its proper divisors (1268602010).

1340142310 is a wasteful number, since it uses less digits than its factorization.

1340142310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43392.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1340142310 is about 36607.9541903122. The cubic root of 1340142310 is about 1102.5127981882.

Adding to 1340142310 its reverse (132410431), we get a palindrome (1472552741).

The spelling of 1340142310 in words is "one billion, three hundred forty million, one hundred forty-two thousand, three hundred ten".