1345573700 has 18 divisors (see below), whose sum is σ = 2919895146. Its totient is φ = 538229440.

The previous prime is 1345573661. The next prime is 1345573703. The reversal of 1345573700 is 73755431.

It can be written as a sum of positive squares in 3 ways, for example, as 381967936 + 963605764 = 19544^2 + 31042^2 .

It is not an unprimeable number, because it can be changed into a prime (1345573703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6727769 + ... + 6727968.

It is an arithmetic number, because the mean of its divisors is an integer number (162216397).

Almost surely, 2^1345573700 is an apocalyptic number.

1345573700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1345573700 is an abundant number, since it is smaller than the sum of its proper divisors (1574321446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1345573700 is a wasteful number, since it uses less digits than its factorization.

1345573700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13455751 (or 13455744 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 35.

The square root of 1345573700 is about 36682.0623738633. The cubic root of 1345573700 is about 1104.0002286371. Note that the first 3 decimals are identical.

The spelling of 1345573700 in words is "one billion, three hundred forty-five million, five hundred seventy-three thousand, seven hundred".