1345556705 has 16 divisors (see below), whose sum is σ = 1668086784. Its totient is φ = 1040888640.

The previous prime is 1345556699. The next prime is 1345556711. The reversal of 1345556705 is 5076555431.

It is an interprime number because it is at equal distance from previous prime (1345556699) and next prime (1345556711).

It is not a de Polignac number, because 1345556705 - 2⁸ = 1345556449 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251084 + ... + 256386.

It is an arithmetic number, because the mean of its divisors is an integer number (104255424).

Almost surely, 2^1345556705 is an apocalyptic number.

It is an amenable number.

1345556705 is a deficient number, since it is larger than the sum of its proper divisors (322530079).

1345556705 is a wasteful number, since it uses less digits than its factorization.

1345556705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6976.

The product of its (nonzero) digits is 315000, while the sum is 41.

The square root of 1345556705 is about 36681.8307203989. The cubic root of 1345556705 is about 1103.9955806661.

The spelling of 1345556705 in words is "one billion, three hundred forty-five million, five hundred fifty-six thousand, seven hundred five".