1340303145 has 16 divisors (see below), whose sum is σ = 2149336512. Its totient is φ = 713211200.

The previous prime is 1340303143. The next prime is 1340303189. The reversal of 1340303145 is 5413030431.

It is a happy number.

It is not a de Polignac number, because 1340303145 - 2¹ = 1340303143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1340303143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94206 + ... + 107495.

It is an arithmetic number, because the mean of its divisors is an integer number (134333532).

Almost surely, 2^1340303145 is an apocalyptic number.

1340303145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1340303145 is a deficient number, since it is larger than the sum of its proper divisors (809033367).

1340303145 is a wasteful number, since it uses less digits than its factorization.

1340303145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202152.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 1340303145 is about 36610.1508464524. The cubic root of 1340303145 is about 1102.5569018508.

Adding to 1340303145 its reverse (5413030431), we get a palindrome (6753333576).

The spelling of 1340303145 in words is "one billion, three hundred forty million, three hundred three thousand, one hundred forty-five".