1340230132 has 24 divisors (see below), whose sum is σ = 2535575840. Its totient is φ = 617686560.

The previous prime is 1340230127. The next prime is 1340230159. The reversal of 1340230132 is 2310320431.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235494 + ... + 241117.

Almost surely, 2^1340230132 is an apocalyptic number.

It is an amenable number.

1340230132 is a deficient number, since it is larger than the sum of its proper divisors (1195345708).

1340230132 is a wasteful number, since it uses less digits than its factorization.

1340230132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476671 (or 476669 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1340230132 is about 36609.1536640770. The cubic root of 1340230132 is about 1102.5368808953.

Adding to 1340230132 its reverse (2310320431), we get a palindrome (3650550563).

It can be divided in two parts, 13402 and 30132, that added together give a palindrome (43534).

The spelling of 1340230132 in words is "one billion, three hundred forty million, two hundred thirty thousand, one hundred thirty-two".