1340245235 has 16 divisors (see below), whose sum is σ = 1946172096. Its totient is φ = 864964608.

The previous prime is 1340245229. The next prime is 1340245241. The reversal of 1340245235 is 5325420431.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1340245229) and next prime (1340245241).

It is a cyclic number.

It is not a de Polignac number, because 1340245235 - 2⁴ = 1340245219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1340245198 and 1340245207.

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 15 ways as a sum of consecutive naturals, for example, 1125662 + ... + 1126851.

It is an arithmetic number, because the mean of its divisors is an integer number (121635756).

Almost surely, 2^1340245235 is an apocalyptic number.

1340245235 is a deficient number, since it is larger than the sum of its proper divisors (605926861).

1340245235 is a wasteful number, since it uses less digits than its factorization.

1340245235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2252542.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 1340245235 is about 36609.3599370434. The cubic root of 1340245235 is about 1102.5410223611.

Adding to 1340245235 its reverse (5325420431), we get a palindrome (6665665666).

The spelling of 1340245235 in words is "one billion, three hundred forty million, two hundred forty-five thousand, two hundred thirty-five".