1340223030 has 64 divisors (see below), whose sum is σ = 3577144320. Its totient is φ = 357071328.

The previous prime is 1340223029. The next prime is 1340223103. The reversal of 1340223030 is 303220431.

1340223030 is a `hidden beast` number, since 1 + 3 + 402 + 230 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1340222994 and 1340223012.

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 31 ways as a sum of consecutive naturals, for example, 561219 + ... + 563601.

It is an arithmetic number, because the mean of its divisors is an integer number (55892880).

Almost surely, 2^1340223030 is an apocalyptic number.

1340223030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1340223030 is an abundant number, since it is smaller than the sum of its proper divisors (2236921290).

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

1340223030 is a wasteful number, since it uses less digits than its factorization.

1340223030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4482 (or 4476 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 1340223030 is about 36609.0566663497. The cubic root of 1340223030 is about 1102.5349334111.

Adding to 1340223030 its reverse (303220431), we get a palindrome (1643443461).

The spelling of 1340223030 in words is "one billion, three hundred forty million, two hundred twenty-three thousand, thirty".