1345421104 has 40 divisors (see below), whose sum is σ = 2665262448. Its totient is φ = 657761280.

The previous prime is 1345421083. The next prime is 1345421131. The reversal of 1345421104 is 4011245431.

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, 142284 + ... + 151444.

Almost surely, 2^1345421104 is an apocalyptic number.

It is an amenable number.

1345421104 is a deficient number, since it is larger than the sum of its proper divisors (1319841344).

1345421104 is a wasteful number, since it uses less digits than its factorization.

1345421104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9373 (or 9367 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1345421104 is about 36679.9823336926. The cubic root of 1345421104 is about 1103.9584936786.

Adding to 1345421104 its reverse (4011245431), we get a palindrome (5356666535).

The spelling of 1345421104 in words is "one billion, three hundred forty-five million, four hundred twenty-one thousand, one hundred four".