1345753605 has 32 divisors (see below), whose sum is σ = 2462803200. Its totient is φ = 614702592.

The previous prime is 1345753601. The next prime is 1345753631. The reversal of 1345753605 is 5063575431.

It is not a de Polignac number, because 1345753605 - 2² = 1345753601 is a prime.

It is a super-2 number, since 2×1345753605² = 3622105530740992050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345753601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145561 + ... + 154529.

It is an arithmetic number, because the mean of its divisors is an integer number (76962600).

Almost surely, 2^1345753605 is an apocalyptic number.

1345753605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1345753605 is a deficient number, since it is larger than the sum of its proper divisors (1117049595).

1345753605 is a wasteful number, since it uses less digits than its factorization.

1345753605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10413.

The product of its (nonzero) digits is 189000, while the sum is 39.

The square root of 1345753605 is about 36684.5145122571. The cubic root of 1345753605 is about 1104.0494285460.

The spelling of 1345753605 in words is "one billion, three hundred forty-five million, seven hundred fifty-three thousand, six hundred five".