1345191370 has 32 divisors (see below), whose sum is σ = 2516313600. Its totient is φ = 517206720.

The previous prime is 1345191329. The next prime is 1345191389. The reversal of 1345191370 is 731915431.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31629 + ... + 60751.

It is an arithmetic number, because the mean of its divisors is an integer number (78634800).

Almost surely, 2^1345191370 is an apocalyptic number.

1345191370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1345191370 is a deficient number, since it is larger than the sum of its proper divisors (1171122230).

1345191370 is a wasteful number, since it uses less digits than its factorization.

1345191370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29310.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 1345191370 is about 36676.8506008899. The cubic root of 1345191370 is about 1103.8956555490.

The spelling of 1345191370 in words is "one billion, three hundred forty-five million, one hundred ninety-one thousand, three hundred seventy".