1340136310 has 16 divisors (see below), whose sum is σ = 2539206000. Its totient is φ = 507841056.

The previous prime is 1340136283. The next prime is 1340136319. The reversal of 1340136310 is 136310431.

It is a happy number.

It is a super-2 number, since 2×1340136310² = 3591930658760832200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340136319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3526485 + ... + 3526864.

It is an arithmetic number, because the mean of its divisors is an integer number (158700375).

Almost surely, 2^1340136310 is an apocalyptic number.

1340136310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1340136310 is a deficient number, since it is larger than the sum of its proper divisors (1199069690).

1340136310 is a wasteful number, since it uses less digits than its factorization.

1340136310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7053375.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 1340136310 is about 36607.8722408173. The cubic root of 1340136310 is about 1102.5111528190.

Adding to 1340136310 its reverse (136310431), we get a palindrome (1476446741).

The spelling of 1340136310 in words is "one billion, three hundred forty million, one hundred thirty-six thousand, three hundred ten".