1340131982 has 8 divisors (see below), whose sum is σ = 2297369136. Its totient is φ = 574342272.

The previous prime is 1340131951. The next prime is 1340131999. The reversal of 1340131982 is 2891310431.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47861843 + ... + 47861870.

It is an arithmetic number, because the mean of its divisors is an integer number (287171142).

Almost surely, 2^1340131982 is an apocalyptic number.

1340131982 is a deficient number, since it is larger than the sum of its proper divisors (957237154).

1340131982 is an equidigital number, since it uses as much as digits as its factorization.

1340131982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95723722.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 1340131982 is about 36607.8131278010. The cubic root of 1340131982 is about 1102.5099659563.

The spelling of 1340131982 in words is "one billion, three hundred forty million, one hundred thirty-one thousand, nine hundred eighty-two".