1345432113 has 10 divisors (see below), whose sum is σ = 2009843154. Its totient is φ = 896954688.

The previous prime is 1345432103. The next prime is 1345432129. The reversal of 1345432113 is 3112345431.

It is a happy number.

1345432113 is a `hidden beast` number, since 1 + 3 + 4 + 543 + 2 + 113 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1265722929 + 79709184 = 35577^2 + 8928^2 .

It is not a de Polignac number, because 1345432113 - 2¹⁰ = 1345431089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1345432103) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8305056 + ... + 8305217.

Almost surely, 2^1345432113 is an apocalyptic number.

It is an amenable number.

1345432113 is a deficient number, since it is larger than the sum of its proper divisors (664411041).

1345432113 is an equidigital number, since it uses as much as digits as its factorization.

1345432113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16610285 (or 16610276 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 1345432113 is about 36680.1324016149. The cubic root of 1345432113 is about 1103.9615047423.

Adding to 1345432113 its reverse (3112345431), we get a palindrome (4457777544).

The spelling of 1345432113 in words is "one billion, three hundred forty-five million, four hundred thirty-two thousand, one hundred thirteen".