1340425245 has 8 divisors (see below), whose sum is σ = 2144680416. Its totient is φ = 714893456.

The previous prime is 1340425223. The next prime is 1340425253. The reversal of 1340425245 is 5425240431.

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

It is a cyclic number.

It is not a de Polignac number, because 1340425245 - 2⁶ = 1340425181 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44680827 + ... + 44680856.

It is an arithmetic number, because the mean of its divisors is an integer number (268085052).

Almost surely, 2^1340425245 is an apocalyptic number.

1340425245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1340425245 is a deficient number, since it is larger than the sum of its proper divisors (804255171).

1340425245 is an equidigital number, since it uses as much as digits as its factorization.

1340425245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89361691.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 1340425245 is about 36611.8183787694. The cubic root of 1340425245 is about 1102.5903813688.

Adding to 1340425245 its reverse (5425240431), we get a palindrome (6765665676).

The spelling of 1340425245 in words is "one billion, three hundred forty million, four hundred twenty-five thousand, two hundred forty-five".