1340510233 has 4 divisors (see below), whose sum is σ = 1341430480. Its totient is φ = 1339589988.

The previous prime is 1340510209. The next prime is 1340510261. The reversal of 1340510233 is 3320150431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1340510233 - 2²⁹ = 803639321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1340511233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457935 + ... + 460852.

It is an arithmetic number, because the mean of its divisors is an integer number (335357620).

Almost surely, 2^1340510233 is an apocalyptic number.

It is an amenable number.

1340510233 is a deficient number, since it is larger than the sum of its proper divisors (920247).

1340510233 is an equidigital number, since it uses as much as digits as its factorization.

1340510233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920246.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1340510233 is about 36612.9790238380. The cubic root of 1340510233 is about 1102.6136836682.

Adding to 1340510233 its reverse (3320150431), we get a palindrome (4660660664).

The spelling of 1340510233 in words is "one billion, three hundred forty million, five hundred ten thousand, two hundred thirty-three".